diff --git a/google/cloud/firestore_admin_v1/proto/operation.proto b/google/cloud/firestore_admin_v1/proto/operation.proto
index 08194fe09..6494ab7cb 100644
--- a/google/cloud/firestore_admin_v1/proto/operation.proto
+++ b/google/cloud/firestore_admin_v1/proto/operation.proto
@@ -162,17 +162,6 @@ message ExportDocumentsResponse {
   string output_uri_prefix = 1;
 }
 
-// Describes the progress of the operation.
-// Unit of work is generic and must be interpreted based on where [Progress][google.firestore.admin.v1.Progress]
-// is used.
-message Progress {
-  // The amount of work estimated.
-  int64 estimated_work = 1;
-
-  // The amount of work completed.
-  int64 completed_work = 2;
-}
-
 // Describes the state of the operation.
 enum OperationState {
   // Unspecified.
@@ -201,3 +190,14 @@ enum OperationState {
   // google.longrunning.Operations.CancelOperation.
   CANCELLED = 7;
 }
+
+// Describes the progress of the operation.
+// Unit of work is generic and must be interpreted based on where [Progress][google.firestore.admin.v1.Progress]
+// is used.
+message Progress {
+  // The amount of work estimated.
+  int64 estimated_work = 1;
+
+  // The amount of work completed.
+  int64 completed_work = 2;
+}
diff --git a/google/cloud/firestore_v1/gapic/enums.py b/google/cloud/firestore_v1/gapic/enums.py
index 1220f0d91..857e350e4 100644
--- a/google/cloud/firestore_v1/gapic/enums.py
+++ b/google/cloud/firestore_v1/gapic/enums.py
@@ -91,6 +91,10 @@ class Operator(enum.IntEnum):
               ``order_by``.
               EQUAL (int): Equal.
               ARRAY_CONTAINS (int): Contains. Requires that the field is an array.
+              IN (int): In. Requires that ``value`` is a non-empty ArrayValue with at most 10
+              values.
+              ARRAY_CONTAINS_ANY (int): Contains any. Requires that the field is an array and ``value`` is a
+              non-empty ArrayValue with at most 10 values.
             """
 
             OPERATOR_UNSPECIFIED = 0
@@ -100,6 +104,8 @@ class Operator(enum.IntEnum):
             GREATER_THAN_OR_EQUAL = 4
             EQUAL = 5
             ARRAY_CONTAINS = 7
+            IN = 8
+            ARRAY_CONTAINS_ANY = 9
 
     class UnaryFilter(object):
         class Operator(enum.IntEnum):
diff --git a/google/cloud/firestore_v1/proto/query.proto b/google/cloud/firestore_v1/proto/query.proto
index e2d7b836f..a8d5e7a2e 100644
--- a/google/cloud/firestore_v1/proto/query.proto
+++ b/google/cloud/firestore_v1/proto/query.proto
@@ -102,6 +102,14 @@ message StructuredQuery {
 
       // Contains. Requires that the field is an array.
       ARRAY_CONTAINS = 7;
+
+      // In. Requires that `value` is a non-empty ArrayValue with at most 10
+      // values.
+      IN = 8;
+
+      // Contains any. Requires that the field is an array and
+      // `value` is a non-empty ArrayValue with at most 10 values.
+      ARRAY_CONTAINS_ANY = 9;
     }
 
     // The field to filter by.
@@ -114,18 +122,6 @@ message StructuredQuery {
     Value value = 3;
   }
 
-  // A sort direction.
-  enum Direction {
-    // Unspecified.
-    DIRECTION_UNSPECIFIED = 0;
-
-    // Ascending.
-    ASCENDING = 1;
-
-    // Descending.
-    DESCENDING = 2;
-  }
-
   // A filter with a single operand.
   message UnaryFilter {
     // A unary operator.
@@ -150,6 +146,15 @@ message StructuredQuery {
     }
   }
 
+  // The projection of document's fields to return.
+  message Projection {
+    // The fields to return.
+    //
+    // If empty, all fields are returned. To only return the name
+    // of the document, use `['__name__']`.
+    repeated FieldReference fields = 2;
+  }
+
   // An order on a field.
   message Order {
     // The field to order by.
@@ -164,13 +169,16 @@ message StructuredQuery {
     string field_path = 2;
   }
 
-  // The projection of document's fields to return.
-  message Projection {
-    // The fields to return.
-    //
-    // If empty, all fields are returned. To only return the name
-    // of the document, use `['__name__']`.
-    repeated FieldReference fields = 2;
+  // A sort direction.
+  enum Direction {
+    // Unspecified.
+    DIRECTION_UNSPECIFIED = 0;
+
+    // Ascending.
+    ASCENDING = 1;
+
+    // Descending.
+    DESCENDING = 2;
   }
 
   // The projection to return.
diff --git a/google/cloud/firestore_v1/proto/query_pb2.py b/google/cloud/firestore_v1/proto/query_pb2.py
index 089b33a34..057de9276 100644
--- a/google/cloud/firestore_v1/proto/query_pb2.py
+++ b/google/cloud/firestore_v1/proto/query_pb2.py
@@ -30,7 +30,7 @@
         "\n\027com.google.firestore.v1B\nQueryProtoP\001Z<google.golang.org/genproto/googleapis/firestore/v1;firestore\242\002\004GCFS\252\002\031Google.Cloud.Firestore.V1\312\002\031Google\\Cloud\\Firestore\\V1"
     ),
     serialized_pb=_b(
-        '\n+google/cloud/firestore_v1/proto/query.proto\x12\x13google.firestore.v1\x1a.google/cloud/firestore_v1/proto/document.proto\x1a\x1egoogle/protobuf/wrappers.proto\x1a\x1cgoogle/api/annotations.proto"\xda\x0e\n\x0fStructuredQuery\x12?\n\x06select\x18\x01 \x01(\x0b\x32/.google.firestore.v1.StructuredQuery.Projection\x12\x45\n\x04\x66rom\x18\x02 \x03(\x0b\x32\x37.google.firestore.v1.StructuredQuery.CollectionSelector\x12:\n\x05where\x18\x03 \x01(\x0b\x32+.google.firestore.v1.StructuredQuery.Filter\x12<\n\x08order_by\x18\x04 \x03(\x0b\x32*.google.firestore.v1.StructuredQuery.Order\x12-\n\x08start_at\x18\x07 \x01(\x0b\x32\x1b.google.firestore.v1.Cursor\x12+\n\x06\x65nd_at\x18\x08 \x01(\x0b\x32\x1b.google.firestore.v1.Cursor\x12\x0e\n\x06offset\x18\x06 \x01(\x05\x12*\n\x05limit\x18\x05 \x01(\x0b\x32\x1b.google.protobuf.Int32Value\x1a\x44\n\x12\x43ollectionSelector\x12\x15\n\rcollection_id\x18\x02 \x01(\t\x12\x17\n\x0f\x61ll_descendants\x18\x03 \x01(\x08\x1a\xfd\x01\n\x06\x46ilter\x12P\n\x10\x63omposite_filter\x18\x01 \x01(\x0b\x32\x34.google.firestore.v1.StructuredQuery.CompositeFilterH\x00\x12H\n\x0c\x66ield_filter\x18\x02 \x01(\x0b\x32\x30.google.firestore.v1.StructuredQuery.FieldFilterH\x00\x12H\n\x0cunary_filter\x18\x03 \x01(\x0b\x32\x30.google.firestore.v1.StructuredQuery.UnaryFilterH\x00\x42\r\n\x0b\x66ilter_type\x1a\xc9\x01\n\x0f\x43ompositeFilter\x12I\n\x02op\x18\x01 \x01(\x0e\x32=.google.firestore.v1.StructuredQuery.CompositeFilter.Operator\x12<\n\x07\x66ilters\x18\x02 \x03(\x0b\x32+.google.firestore.v1.StructuredQuery.Filter"-\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\x07\n\x03\x41ND\x10\x01\x1a\xdd\x02\n\x0b\x46ieldFilter\x12\x42\n\x05\x66ield\x18\x01 \x01(\x0b\x32\x33.google.firestore.v1.StructuredQuery.FieldReference\x12\x45\n\x02op\x18\x02 \x01(\x0e\x32\x39.google.firestore.v1.StructuredQuery.FieldFilter.Operator\x12)\n\x05value\x18\x03 \x01(\x0b\x32\x1a.google.firestore.v1.Value"\x97\x01\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\r\n\tLESS_THAN\x10\x01\x12\x16\n\x12LESS_THAN_OR_EQUAL\x10\x02\x12\x10\n\x0cGREATER_THAN\x10\x03\x12\x19\n\x15GREATER_THAN_OR_EQUAL\x10\x04\x12\t\n\x05\x45QUAL\x10\x05\x12\x12\n\x0e\x41RRAY_CONTAINS\x10\x07\x1a\xe9\x01\n\x0bUnaryFilter\x12\x45\n\x02op\x18\x01 \x01(\x0e\x32\x39.google.firestore.v1.StructuredQuery.UnaryFilter.Operator\x12\x44\n\x05\x66ield\x18\x02 \x01(\x0b\x32\x33.google.firestore.v1.StructuredQuery.FieldReferenceH\x00"=\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\n\n\x06IS_NAN\x10\x02\x12\x0b\n\x07IS_NULL\x10\x03\x42\x0e\n\x0coperand_type\x1a\x8e\x01\n\x05Order\x12\x42\n\x05\x66ield\x18\x01 \x01(\x0b\x32\x33.google.firestore.v1.StructuredQuery.FieldReference\x12\x41\n\tdirection\x18\x02 \x01(\x0e\x32..google.firestore.v1.StructuredQuery.Direction\x1a$\n\x0e\x46ieldReference\x12\x12\n\nfield_path\x18\x02 \x01(\t\x1aQ\n\nProjection\x12\x43\n\x06\x66ields\x18\x02 \x03(\x0b\x32\x33.google.firestore.v1.StructuredQuery.FieldReference"E\n\tDirection\x12\x19\n\x15\x44IRECTION_UNSPECIFIED\x10\x00\x12\r\n\tASCENDING\x10\x01\x12\x0e\n\nDESCENDING\x10\x02"D\n\x06\x43ursor\x12*\n\x06values\x18\x01 \x03(\x0b\x32\x1a.google.firestore.v1.Value\x12\x0e\n\x06\x62\x65\x66ore\x18\x02 \x01(\x08\x42\xa4\x01\n\x17\x63om.google.firestore.v1B\nQueryProtoP\x01Z<google.golang.org/genproto/googleapis/firestore/v1;firestore\xa2\x02\x04GCFS\xaa\x02\x19Google.Cloud.Firestore.V1\xca\x02\x19Google\\Cloud\\Firestore\\V1b\x06proto3'
+        '\n+google/cloud/firestore_v1/proto/query.proto\x12\x13google.firestore.v1\x1a.google/cloud/firestore_v1/proto/document.proto\x1a\x1egoogle/protobuf/wrappers.proto\x1a\x1cgoogle/api/annotations.proto"\xfa\x0e\n\x0fStructuredQuery\x12?\n\x06select\x18\x01 \x01(\x0b\x32/.google.firestore.v1.StructuredQuery.Projection\x12\x45\n\x04\x66rom\x18\x02 \x03(\x0b\x32\x37.google.firestore.v1.StructuredQuery.CollectionSelector\x12:\n\x05where\x18\x03 \x01(\x0b\x32+.google.firestore.v1.StructuredQuery.Filter\x12<\n\x08order_by\x18\x04 \x03(\x0b\x32*.google.firestore.v1.StructuredQuery.Order\x12-\n\x08start_at\x18\x07 \x01(\x0b\x32\x1b.google.firestore.v1.Cursor\x12+\n\x06\x65nd_at\x18\x08 \x01(\x0b\x32\x1b.google.firestore.v1.Cursor\x12\x0e\n\x06offset\x18\x06 \x01(\x05\x12*\n\x05limit\x18\x05 \x01(\x0b\x32\x1b.google.protobuf.Int32Value\x1a\x44\n\x12\x43ollectionSelector\x12\x15\n\rcollection_id\x18\x02 \x01(\t\x12\x17\n\x0f\x61ll_descendants\x18\x03 \x01(\x08\x1a\xfd\x01\n\x06\x46ilter\x12P\n\x10\x63omposite_filter\x18\x01 \x01(\x0b\x32\x34.google.firestore.v1.StructuredQuery.CompositeFilterH\x00\x12H\n\x0c\x66ield_filter\x18\x02 \x01(\x0b\x32\x30.google.firestore.v1.StructuredQuery.FieldFilterH\x00\x12H\n\x0cunary_filter\x18\x03 \x01(\x0b\x32\x30.google.firestore.v1.StructuredQuery.UnaryFilterH\x00\x42\r\n\x0b\x66ilter_type\x1a\xc9\x01\n\x0f\x43ompositeFilter\x12I\n\x02op\x18\x01 \x01(\x0e\x32=.google.firestore.v1.StructuredQuery.CompositeFilter.Operator\x12<\n\x07\x66ilters\x18\x02 \x03(\x0b\x32+.google.firestore.v1.StructuredQuery.Filter"-\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\x07\n\x03\x41ND\x10\x01\x1a\xfd\x02\n\x0b\x46ieldFilter\x12\x42\n\x05\x66ield\x18\x01 \x01(\x0b\x32\x33.google.firestore.v1.StructuredQuery.FieldReference\x12\x45\n\x02op\x18\x02 \x01(\x0e\x32\x39.google.firestore.v1.StructuredQuery.FieldFilter.Operator\x12)\n\x05value\x18\x03 \x01(\x0b\x32\x1a.google.firestore.v1.Value"\xb7\x01\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\r\n\tLESS_THAN\x10\x01\x12\x16\n\x12LESS_THAN_OR_EQUAL\x10\x02\x12\x10\n\x0cGREATER_THAN\x10\x03\x12\x19\n\x15GREATER_THAN_OR_EQUAL\x10\x04\x12\t\n\x05\x45QUAL\x10\x05\x12\x12\n\x0e\x41RRAY_CONTAINS\x10\x07\x12\x06\n\x02IN\x10\x08\x12\x16\n\x12\x41RRAY_CONTAINS_ANY\x10\t\x1a\xe9\x01\n\x0bUnaryFilter\x12\x45\n\x02op\x18\x01 \x01(\x0e\x32\x39.google.firestore.v1.StructuredQuery.UnaryFilter.Operator\x12\x44\n\x05\x66ield\x18\x02 \x01(\x0b\x32\x33.google.firestore.v1.StructuredQuery.FieldReferenceH\x00"=\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\n\n\x06IS_NAN\x10\x02\x12\x0b\n\x07IS_NULL\x10\x03\x42\x0e\n\x0coperand_type\x1aQ\n\nProjection\x12\x43\n\x06\x66ields\x18\x02 \x03(\x0b\x32\x33.google.firestore.v1.StructuredQuery.FieldReference\x1a\x8e\x01\n\x05Order\x12\x42\n\x05\x66ield\x18\x01 \x01(\x0b\x32\x33.google.firestore.v1.StructuredQuery.FieldReference\x12\x41\n\tdirection\x18\x02 \x01(\x0e\x32..google.firestore.v1.StructuredQuery.Direction\x1a$\n\x0e\x46ieldReference\x12\x12\n\nfield_path\x18\x02 \x01(\t"E\n\tDirection\x12\x19\n\x15\x44IRECTION_UNSPECIFIED\x10\x00\x12\r\n\tASCENDING\x10\x01\x12\x0e\n\nDESCENDING\x10\x02"D\n\x06\x43ursor\x12*\n\x06values\x18\x01 \x03(\x0b\x32\x1a.google.firestore.v1.Value\x12\x0e\n\x06\x62\x65\x66ore\x18\x02 \x01(\x08\x42\xa4\x01\n\x17\x63om.google.firestore.v1B\nQueryProtoP\x01Z<google.golang.org/genproto/googleapis/firestore/v1;firestore\xa2\x02\x04GCFS\xaa\x02\x19Google.Cloud.Firestore.V1\xca\x02\x19Google\\Cloud\\Firestore\\V1b\x06proto3'
     ),
     dependencies=[
         google_dot_cloud_dot_firestore__v1_dot_proto_dot_document__pb2.DESCRIPTOR,
@@ -103,11 +103,21 @@
         _descriptor.EnumValueDescriptor(
             name="ARRAY_CONTAINS", index=6, number=7, serialized_options=None, type=None
         ),
+        _descriptor.EnumValueDescriptor(
+            name="IN", index=7, number=8, serialized_options=None, type=None
+        ),
+        _descriptor.EnumValueDescriptor(
+            name="ARRAY_CONTAINS_ANY",
+            index=8,
+            number=9,
+            serialized_options=None,
+            type=None,
+        ),
     ],
     containing_type=None,
     serialized_options=None,
     serialized_start=1337,
-    serialized_end=1488,
+    serialized_end=1520,
 )
 _sym_db.RegisterEnumDescriptor(_STRUCTUREDQUERY_FIELDFILTER_OPERATOR)
 
@@ -133,8 +143,8 @@
     ],
     containing_type=None,
     serialized_options=None,
-    serialized_start=1647,
-    serialized_end=1708,
+    serialized_start=1679,
+    serialized_end=1740,
 )
 _sym_db.RegisterEnumDescriptor(_STRUCTUREDQUERY_UNARYFILTER_OPERATOR)
 
@@ -160,8 +170,8 @@
     ],
     containing_type=None,
     serialized_options=None,
-    serialized_start=1992,
-    serialized_end=2061,
+    serialized_start=2024,
+    serialized_end=2093,
 )
 _sym_db.RegisterEnumDescriptor(_STRUCTUREDQUERY_DIRECTION)
 
@@ -431,7 +441,7 @@
     extension_ranges=[],
     oneofs=[],
     serialized_start=1139,
-    serialized_end=1488,
+    serialized_end=1520,
 )
 
 _STRUCTUREDQUERY_UNARYFILTER = _descriptor.Descriptor(
@@ -494,8 +504,46 @@
             fields=[],
         )
     ],
-    serialized_start=1491,
-    serialized_end=1724,
+    serialized_start=1523,
+    serialized_end=1756,
+)
+
+_STRUCTUREDQUERY_PROJECTION = _descriptor.Descriptor(
+    name="Projection",
+    full_name="google.firestore.v1.StructuredQuery.Projection",
+    filename=None,
+    file=DESCRIPTOR,
+    containing_type=None,
+    fields=[
+        _descriptor.FieldDescriptor(
+            name="fields",
+            full_name="google.firestore.v1.StructuredQuery.Projection.fields",
+            index=0,
+            number=2,
+            type=11,
+            cpp_type=10,
+            label=3,
+            has_default_value=False,
+            default_value=[],
+            message_type=None,
+            enum_type=None,
+            containing_type=None,
+            is_extension=False,
+            extension_scope=None,
+            serialized_options=None,
+            file=DESCRIPTOR,
+        )
+    ],
+    extensions=[],
+    nested_types=[],
+    enum_types=[],
+    serialized_options=None,
+    is_extendable=False,
+    syntax="proto3",
+    extension_ranges=[],
+    oneofs=[],
+    serialized_start=1758,
+    serialized_end=1839,
 )
 
 _STRUCTUREDQUERY_ORDER = _descriptor.Descriptor(
@@ -550,8 +598,8 @@
     syntax="proto3",
     extension_ranges=[],
     oneofs=[],
-    serialized_start=1727,
-    serialized_end=1869,
+    serialized_start=1842,
+    serialized_end=1984,
 )
 
 _STRUCTUREDQUERY_FIELDREFERENCE = _descriptor.Descriptor(
@@ -588,46 +636,8 @@
     syntax="proto3",
     extension_ranges=[],
     oneofs=[],
-    serialized_start=1871,
-    serialized_end=1907,
-)
-
-_STRUCTUREDQUERY_PROJECTION = _descriptor.Descriptor(
-    name="Projection",
-    full_name="google.firestore.v1.StructuredQuery.Projection",
-    filename=None,
-    file=DESCRIPTOR,
-    containing_type=None,
-    fields=[
-        _descriptor.FieldDescriptor(
-            name="fields",
-            full_name="google.firestore.v1.StructuredQuery.Projection.fields",
-            index=0,
-            number=2,
-            type=11,
-            cpp_type=10,
-            label=3,
-            has_default_value=False,
-            default_value=[],
-            message_type=None,
-            enum_type=None,
-            containing_type=None,
-            is_extension=False,
-            extension_scope=None,
-            serialized_options=None,
-            file=DESCRIPTOR,
-        )
-    ],
-    extensions=[],
-    nested_types=[],
-    enum_types=[],
-    serialized_options=None,
-    is_extendable=False,
-    syntax="proto3",
-    extension_ranges=[],
-    oneofs=[],
-    serialized_start=1909,
-    serialized_end=1990,
+    serialized_start=1986,
+    serialized_end=2022,
 )
 
 _STRUCTUREDQUERY = _descriptor.Descriptor(
@@ -789,9 +799,9 @@
         _STRUCTUREDQUERY_COMPOSITEFILTER,
         _STRUCTUREDQUERY_FIELDFILTER,
         _STRUCTUREDQUERY_UNARYFILTER,
+        _STRUCTUREDQUERY_PROJECTION,
         _STRUCTUREDQUERY_ORDER,
         _STRUCTUREDQUERY_FIELDREFERENCE,
-        _STRUCTUREDQUERY_PROJECTION,
     ],
     enum_types=[_STRUCTUREDQUERY_DIRECTION],
     serialized_options=None,
@@ -800,7 +810,7 @@
     extension_ranges=[],
     oneofs=[],
     serialized_start=179,
-    serialized_end=2061,
+    serialized_end=2093,
 )
 
 
@@ -856,8 +866,8 @@
     syntax="proto3",
     extension_ranges=[],
     oneofs=[],
-    serialized_start=2063,
-    serialized_end=2131,
+    serialized_start=2095,
+    serialized_end=2163,
 )
 
 _STRUCTUREDQUERY_COLLECTIONSELECTOR.containing_type = _STRUCTUREDQUERY
@@ -924,6 +934,10 @@
 _STRUCTUREDQUERY_UNARYFILTER.fields_by_name[
     "field"
 ].containing_oneof = _STRUCTUREDQUERY_UNARYFILTER.oneofs_by_name["operand_type"]
+_STRUCTUREDQUERY_PROJECTION.fields_by_name[
+    "fields"
+].message_type = _STRUCTUREDQUERY_FIELDREFERENCE
+_STRUCTUREDQUERY_PROJECTION.containing_type = _STRUCTUREDQUERY
 _STRUCTUREDQUERY_ORDER.fields_by_name[
     "field"
 ].message_type = _STRUCTUREDQUERY_FIELDREFERENCE
@@ -932,10 +946,6 @@
 ].enum_type = _STRUCTUREDQUERY_DIRECTION
 _STRUCTUREDQUERY_ORDER.containing_type = _STRUCTUREDQUERY
 _STRUCTUREDQUERY_FIELDREFERENCE.containing_type = _STRUCTUREDQUERY
-_STRUCTUREDQUERY_PROJECTION.fields_by_name[
-    "fields"
-].message_type = _STRUCTUREDQUERY_FIELDREFERENCE
-_STRUCTUREDQUERY_PROJECTION.containing_type = _STRUCTUREDQUERY
 _STRUCTUREDQUERY.fields_by_name["select"].message_type = _STRUCTUREDQUERY_PROJECTION
 _STRUCTUREDQUERY.fields_by_name[
     "from"
@@ -1062,6 +1072,23 @@
                 # @@protoc_insertion_point(class_scope:google.firestore.v1.StructuredQuery.UnaryFilter)
             ),
         ),
+        Projection=_reflection.GeneratedProtocolMessageType(
+            "Projection",
+            (_message.Message,),
+            dict(
+                DESCRIPTOR=_STRUCTUREDQUERY_PROJECTION,
+                __module__="google.cloud.firestore_v1.proto.query_pb2",
+                __doc__="""The projection of document's fields to return.
+    
+    
+    Attributes:
+        fields:
+            The fields to return.  If empty, all fields are returned. To
+            only return the name of the document, use ``['__name__']``.
+    """,
+                # @@protoc_insertion_point(class_scope:google.firestore.v1.StructuredQuery.Projection)
+            ),
+        ),
         Order=_reflection.GeneratedProtocolMessageType(
             "Order",
             (_message.Message,),
@@ -1091,23 +1118,6 @@
                 # @@protoc_insertion_point(class_scope:google.firestore.v1.StructuredQuery.FieldReference)
             ),
         ),
-        Projection=_reflection.GeneratedProtocolMessageType(
-            "Projection",
-            (_message.Message,),
-            dict(
-                DESCRIPTOR=_STRUCTUREDQUERY_PROJECTION,
-                __module__="google.cloud.firestore_v1.proto.query_pb2",
-                __doc__="""The projection of document's fields to return.
-    
-    
-    Attributes:
-        fields:
-            The fields to return.  If empty, all fields are returned. To
-            only return the name of the document, use ``['__name__']``.
-    """,
-                # @@protoc_insertion_point(class_scope:google.firestore.v1.StructuredQuery.Projection)
-            ),
-        ),
         DESCRIPTOR=_STRUCTUREDQUERY,
         __module__="google.cloud.firestore_v1.proto.query_pb2",
         __doc__="""A Firestore query.
@@ -1155,9 +1165,9 @@
 _sym_db.RegisterMessage(StructuredQuery.CompositeFilter)
 _sym_db.RegisterMessage(StructuredQuery.FieldFilter)
 _sym_db.RegisterMessage(StructuredQuery.UnaryFilter)
+_sym_db.RegisterMessage(StructuredQuery.Projection)
 _sym_db.RegisterMessage(StructuredQuery.Order)
 _sym_db.RegisterMessage(StructuredQuery.FieldReference)
-_sym_db.RegisterMessage(StructuredQuery.Projection)
 
 Cursor = _reflection.GeneratedProtocolMessageType(
     "Cursor",
diff --git a/google/cloud/firestore_v1beta1/gapic/enums.py b/google/cloud/firestore_v1beta1/gapic/enums.py
index 1220f0d91..857e350e4 100644
--- a/google/cloud/firestore_v1beta1/gapic/enums.py
+++ b/google/cloud/firestore_v1beta1/gapic/enums.py
@@ -91,6 +91,10 @@ class Operator(enum.IntEnum):
               ``order_by``.
               EQUAL (int): Equal.
               ARRAY_CONTAINS (int): Contains. Requires that the field is an array.
+              IN (int): In. Requires that ``value`` is a non-empty ArrayValue with at most 10
+              values.
+              ARRAY_CONTAINS_ANY (int): Contains any. Requires that the field is an array and ``value`` is a
+              non-empty ArrayValue with at most 10 values.
             """
 
             OPERATOR_UNSPECIFIED = 0
@@ -100,6 +104,8 @@ class Operator(enum.IntEnum):
             GREATER_THAN_OR_EQUAL = 4
             EQUAL = 5
             ARRAY_CONTAINS = 7
+            IN = 8
+            ARRAY_CONTAINS_ANY = 9
 
     class UnaryFilter(object):
         class Operator(enum.IntEnum):
diff --git a/google/cloud/firestore_v1beta1/proto/query.proto b/google/cloud/firestore_v1beta1/proto/query.proto
index fb9e4e558..a8068ae6c 100644
--- a/google/cloud/firestore_v1beta1/proto/query.proto
+++ b/google/cloud/firestore_v1beta1/proto/query.proto
@@ -102,6 +102,14 @@ message StructuredQuery {
 
       // Contains. Requires that the field is an array.
       ARRAY_CONTAINS = 7;
+
+      // In. Requires that `value` is a non-empty ArrayValue with at most 10
+      // values.
+      IN = 8;
+
+      // Contains any. Requires that the field is an array and
+      // `value` is a non-empty ArrayValue with at most 10 values.
+      ARRAY_CONTAINS_ANY = 9;
     }
 
     // The field to filter by.
@@ -147,6 +155,15 @@ message StructuredQuery {
     Direction direction = 2;
   }
 
+  // The projection of document's fields to return.
+  message Projection {
+    // The fields to return.
+    //
+    // If empty, all fields are returned. To only return the name
+    // of the document, use `['__name__']`.
+    repeated FieldReference fields = 2;
+  }
+
   // A reference to a field, such as `max(messages.time) as max_time`.
   message FieldReference {
     string field_path = 2;
@@ -164,15 +181,6 @@ message StructuredQuery {
     DESCENDING = 2;
   }
 
-  // The projection of document's fields to return.
-  message Projection {
-    // The fields to return.
-    //
-    // If empty, all fields are returned. To only return the name
-    // of the document, use `['__name__']`.
-    repeated FieldReference fields = 2;
-  }
-
   // The projection to return.
   Projection select = 1;
 
diff --git a/google/cloud/firestore_v1beta1/proto/query_pb2.py b/google/cloud/firestore_v1beta1/proto/query_pb2.py
index 4e0b57845..70c26f514 100644
--- a/google/cloud/firestore_v1beta1/proto/query_pb2.py
+++ b/google/cloud/firestore_v1beta1/proto/query_pb2.py
@@ -30,7 +30,7 @@
         "\n\034com.google.firestore.v1beta1B\nQueryProtoP\001ZAgoogle.golang.org/genproto/googleapis/firestore/v1beta1;firestore\242\002\004GCFS\252\002\036Google.Cloud.Firestore.V1Beta1\312\002\036Google\\Cloud\\Firestore\\V1beta1"
     ),
     serialized_pb=_b(
-        '\n0google/cloud/firestore_v1beta1/proto/query.proto\x12\x18google.firestore.v1beta1\x1a\x33google/cloud/firestore_v1beta1/proto/document.proto\x1a\x1egoogle/protobuf/wrappers.proto\x1a\x1cgoogle/api/annotations.proto"\xb9\x0f\n\x0fStructuredQuery\x12\x44\n\x06select\x18\x01 \x01(\x0b\x32\x34.google.firestore.v1beta1.StructuredQuery.Projection\x12J\n\x04\x66rom\x18\x02 \x03(\x0b\x32<.google.firestore.v1beta1.StructuredQuery.CollectionSelector\x12?\n\x05where\x18\x03 \x01(\x0b\x32\x30.google.firestore.v1beta1.StructuredQuery.Filter\x12\x41\n\x08order_by\x18\x04 \x03(\x0b\x32/.google.firestore.v1beta1.StructuredQuery.Order\x12\x32\n\x08start_at\x18\x07 \x01(\x0b\x32 .google.firestore.v1beta1.Cursor\x12\x30\n\x06\x65nd_at\x18\x08 \x01(\x0b\x32 .google.firestore.v1beta1.Cursor\x12\x0e\n\x06offset\x18\x06 \x01(\x05\x12*\n\x05limit\x18\x05 \x01(\x0b\x32\x1b.google.protobuf.Int32Value\x1a\x44\n\x12\x43ollectionSelector\x12\x15\n\rcollection_id\x18\x02 \x01(\t\x12\x17\n\x0f\x61ll_descendants\x18\x03 \x01(\x08\x1a\x8c\x02\n\x06\x46ilter\x12U\n\x10\x63omposite_filter\x18\x01 \x01(\x0b\x32\x39.google.firestore.v1beta1.StructuredQuery.CompositeFilterH\x00\x12M\n\x0c\x66ield_filter\x18\x02 \x01(\x0b\x32\x35.google.firestore.v1beta1.StructuredQuery.FieldFilterH\x00\x12M\n\x0cunary_filter\x18\x03 \x01(\x0b\x32\x35.google.firestore.v1beta1.StructuredQuery.UnaryFilterH\x00\x42\r\n\x0b\x66ilter_type\x1a\xd3\x01\n\x0f\x43ompositeFilter\x12N\n\x02op\x18\x01 \x01(\x0e\x32\x42.google.firestore.v1beta1.StructuredQuery.CompositeFilter.Operator\x12\x41\n\x07\x66ilters\x18\x02 \x03(\x0b\x32\x30.google.firestore.v1beta1.StructuredQuery.Filter"-\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\x07\n\x03\x41ND\x10\x01\x1a\xec\x02\n\x0b\x46ieldFilter\x12G\n\x05\x66ield\x18\x01 \x01(\x0b\x32\x38.google.firestore.v1beta1.StructuredQuery.FieldReference\x12J\n\x02op\x18\x02 \x01(\x0e\x32>.google.firestore.v1beta1.StructuredQuery.FieldFilter.Operator\x12.\n\x05value\x18\x03 \x01(\x0b\x32\x1f.google.firestore.v1beta1.Value"\x97\x01\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\r\n\tLESS_THAN\x10\x01\x12\x16\n\x12LESS_THAN_OR_EQUAL\x10\x02\x12\x10\n\x0cGREATER_THAN\x10\x03\x12\x19\n\x15GREATER_THAN_OR_EQUAL\x10\x04\x12\t\n\x05\x45QUAL\x10\x05\x12\x12\n\x0e\x41RRAY_CONTAINS\x10\x07\x1a\xf3\x01\n\x0bUnaryFilter\x12J\n\x02op\x18\x01 \x01(\x0e\x32>.google.firestore.v1beta1.StructuredQuery.UnaryFilter.Operator\x12I\n\x05\x66ield\x18\x02 \x01(\x0b\x32\x38.google.firestore.v1beta1.StructuredQuery.FieldReferenceH\x00"=\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\n\n\x06IS_NAN\x10\x02\x12\x0b\n\x07IS_NULL\x10\x03\x42\x0e\n\x0coperand_type\x1a\x98\x01\n\x05Order\x12G\n\x05\x66ield\x18\x01 \x01(\x0b\x32\x38.google.firestore.v1beta1.StructuredQuery.FieldReference\x12\x46\n\tdirection\x18\x02 \x01(\x0e\x32\x33.google.firestore.v1beta1.StructuredQuery.Direction\x1a$\n\x0e\x46ieldReference\x12\x12\n\nfield_path\x18\x02 \x01(\t\x1aV\n\nProjection\x12H\n\x06\x66ields\x18\x02 \x03(\x0b\x32\x38.google.firestore.v1beta1.StructuredQuery.FieldReference"E\n\tDirection\x12\x19\n\x15\x44IRECTION_UNSPECIFIED\x10\x00\x12\r\n\tASCENDING\x10\x01\x12\x0e\n\nDESCENDING\x10\x02"I\n\x06\x43ursor\x12/\n\x06values\x18\x01 \x03(\x0b\x32\x1f.google.firestore.v1beta1.Value\x12\x0e\n\x06\x62\x65\x66ore\x18\x02 \x01(\x08\x42\xb8\x01\n\x1c\x63om.google.firestore.v1beta1B\nQueryProtoP\x01ZAgoogle.golang.org/genproto/googleapis/firestore/v1beta1;firestore\xa2\x02\x04GCFS\xaa\x02\x1eGoogle.Cloud.Firestore.V1Beta1\xca\x02\x1eGoogle\\Cloud\\Firestore\\V1beta1b\x06proto3'
+        '\n0google/cloud/firestore_v1beta1/proto/query.proto\x12\x18google.firestore.v1beta1\x1a\x33google/cloud/firestore_v1beta1/proto/document.proto\x1a\x1egoogle/protobuf/wrappers.proto\x1a\x1cgoogle/api/annotations.proto"\xd9\x0f\n\x0fStructuredQuery\x12\x44\n\x06select\x18\x01 \x01(\x0b\x32\x34.google.firestore.v1beta1.StructuredQuery.Projection\x12J\n\x04\x66rom\x18\x02 \x03(\x0b\x32<.google.firestore.v1beta1.StructuredQuery.CollectionSelector\x12?\n\x05where\x18\x03 \x01(\x0b\x32\x30.google.firestore.v1beta1.StructuredQuery.Filter\x12\x41\n\x08order_by\x18\x04 \x03(\x0b\x32/.google.firestore.v1beta1.StructuredQuery.Order\x12\x32\n\x08start_at\x18\x07 \x01(\x0b\x32 .google.firestore.v1beta1.Cursor\x12\x30\n\x06\x65nd_at\x18\x08 \x01(\x0b\x32 .google.firestore.v1beta1.Cursor\x12\x0e\n\x06offset\x18\x06 \x01(\x05\x12*\n\x05limit\x18\x05 \x01(\x0b\x32\x1b.google.protobuf.Int32Value\x1a\x44\n\x12\x43ollectionSelector\x12\x15\n\rcollection_id\x18\x02 \x01(\t\x12\x17\n\x0f\x61ll_descendants\x18\x03 \x01(\x08\x1a\x8c\x02\n\x06\x46ilter\x12U\n\x10\x63omposite_filter\x18\x01 \x01(\x0b\x32\x39.google.firestore.v1beta1.StructuredQuery.CompositeFilterH\x00\x12M\n\x0c\x66ield_filter\x18\x02 \x01(\x0b\x32\x35.google.firestore.v1beta1.StructuredQuery.FieldFilterH\x00\x12M\n\x0cunary_filter\x18\x03 \x01(\x0b\x32\x35.google.firestore.v1beta1.StructuredQuery.UnaryFilterH\x00\x42\r\n\x0b\x66ilter_type\x1a\xd3\x01\n\x0f\x43ompositeFilter\x12N\n\x02op\x18\x01 \x01(\x0e\x32\x42.google.firestore.v1beta1.StructuredQuery.CompositeFilter.Operator\x12\x41\n\x07\x66ilters\x18\x02 \x03(\x0b\x32\x30.google.firestore.v1beta1.StructuredQuery.Filter"-\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\x07\n\x03\x41ND\x10\x01\x1a\x8c\x03\n\x0b\x46ieldFilter\x12G\n\x05\x66ield\x18\x01 \x01(\x0b\x32\x38.google.firestore.v1beta1.StructuredQuery.FieldReference\x12J\n\x02op\x18\x02 \x01(\x0e\x32>.google.firestore.v1beta1.StructuredQuery.FieldFilter.Operator\x12.\n\x05value\x18\x03 \x01(\x0b\x32\x1f.google.firestore.v1beta1.Value"\xb7\x01\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\r\n\tLESS_THAN\x10\x01\x12\x16\n\x12LESS_THAN_OR_EQUAL\x10\x02\x12\x10\n\x0cGREATER_THAN\x10\x03\x12\x19\n\x15GREATER_THAN_OR_EQUAL\x10\x04\x12\t\n\x05\x45QUAL\x10\x05\x12\x12\n\x0e\x41RRAY_CONTAINS\x10\x07\x12\x06\n\x02IN\x10\x08\x12\x16\n\x12\x41RRAY_CONTAINS_ANY\x10\t\x1a\xf3\x01\n\x0bUnaryFilter\x12J\n\x02op\x18\x01 \x01(\x0e\x32>.google.firestore.v1beta1.StructuredQuery.UnaryFilter.Operator\x12I\n\x05\x66ield\x18\x02 \x01(\x0b\x32\x38.google.firestore.v1beta1.StructuredQuery.FieldReferenceH\x00"=\n\x08Operator\x12\x18\n\x14OPERATOR_UNSPECIFIED\x10\x00\x12\n\n\x06IS_NAN\x10\x02\x12\x0b\n\x07IS_NULL\x10\x03\x42\x0e\n\x0coperand_type\x1a\x98\x01\n\x05Order\x12G\n\x05\x66ield\x18\x01 \x01(\x0b\x32\x38.google.firestore.v1beta1.StructuredQuery.FieldReference\x12\x46\n\tdirection\x18\x02 \x01(\x0e\x32\x33.google.firestore.v1beta1.StructuredQuery.Direction\x1aV\n\nProjection\x12H\n\x06\x66ields\x18\x02 \x03(\x0b\x32\x38.google.firestore.v1beta1.StructuredQuery.FieldReference\x1a$\n\x0e\x46ieldReference\x12\x12\n\nfield_path\x18\x02 \x01(\t"E\n\tDirection\x12\x19\n\x15\x44IRECTION_UNSPECIFIED\x10\x00\x12\r\n\tASCENDING\x10\x01\x12\x0e\n\nDESCENDING\x10\x02"I\n\x06\x43ursor\x12/\n\x06values\x18\x01 \x03(\x0b\x32\x1f.google.firestore.v1beta1.Value\x12\x0e\n\x06\x62\x65\x66ore\x18\x02 \x01(\x08\x42\xb8\x01\n\x1c\x63om.google.firestore.v1beta1B\nQueryProtoP\x01ZAgoogle.golang.org/genproto/googleapis/firestore/v1beta1;firestore\xa2\x02\x04GCFS\xaa\x02\x1eGoogle.Cloud.Firestore.V1Beta1\xca\x02\x1eGoogle\\Cloud\\Firestore\\V1beta1b\x06proto3'
     ),
     dependencies=[
         google_dot_cloud_dot_firestore__v1beta1_dot_proto_dot_document__pb2.DESCRIPTOR,
@@ -103,11 +103,21 @@
         _descriptor.EnumValueDescriptor(
             name="ARRAY_CONTAINS", index=6, number=7, serialized_options=None, type=None
         ),
+        _descriptor.EnumValueDescriptor(
+            name="IN", index=7, number=8, serialized_options=None, type=None
+        ),
+        _descriptor.EnumValueDescriptor(
+            name="ARRAY_CONTAINS_ANY",
+            index=8,
+            number=9,
+            serialized_options=None,
+            type=None,
+        ),
     ],
     containing_type=None,
     serialized_options=None,
     serialized_start=1422,
-    serialized_end=1573,
+    serialized_end=1605,
 )
 _sym_db.RegisterEnumDescriptor(_STRUCTUREDQUERY_FIELDFILTER_OPERATOR)
 
@@ -133,8 +143,8 @@
     ],
     containing_type=None,
     serialized_options=None,
-    serialized_start=1742,
-    serialized_end=1803,
+    serialized_start=1774,
+    serialized_end=1835,
 )
 _sym_db.RegisterEnumDescriptor(_STRUCTUREDQUERY_UNARYFILTER_OPERATOR)
 
@@ -160,8 +170,8 @@
     ],
     containing_type=None,
     serialized_options=None,
-    serialized_start=2102,
-    serialized_end=2171,
+    serialized_start=2134,
+    serialized_end=2203,
 )
 _sym_db.RegisterEnumDescriptor(_STRUCTUREDQUERY_DIRECTION)
 
@@ -431,7 +441,7 @@
     extension_ranges=[],
     oneofs=[],
     serialized_start=1209,
-    serialized_end=1573,
+    serialized_end=1605,
 )
 
 _STRUCTUREDQUERY_UNARYFILTER = _descriptor.Descriptor(
@@ -494,8 +504,8 @@
             fields=[],
         )
     ],
-    serialized_start=1576,
-    serialized_end=1819,
+    serialized_start=1608,
+    serialized_end=1851,
 )
 
 _STRUCTUREDQUERY_ORDER = _descriptor.Descriptor(
@@ -550,27 +560,27 @@
     syntax="proto3",
     extension_ranges=[],
     oneofs=[],
-    serialized_start=1822,
-    serialized_end=1974,
+    serialized_start=1854,
+    serialized_end=2006,
 )
 
-_STRUCTUREDQUERY_FIELDREFERENCE = _descriptor.Descriptor(
-    name="FieldReference",
-    full_name="google.firestore.v1beta1.StructuredQuery.FieldReference",
+_STRUCTUREDQUERY_PROJECTION = _descriptor.Descriptor(
+    name="Projection",
+    full_name="google.firestore.v1beta1.StructuredQuery.Projection",
     filename=None,
     file=DESCRIPTOR,
     containing_type=None,
     fields=[
         _descriptor.FieldDescriptor(
-            name="field_path",
-            full_name="google.firestore.v1beta1.StructuredQuery.FieldReference.field_path",
+            name="fields",
+            full_name="google.firestore.v1beta1.StructuredQuery.Projection.fields",
             index=0,
             number=2,
-            type=9,
-            cpp_type=9,
-            label=1,
+            type=11,
+            cpp_type=10,
+            label=3,
             has_default_value=False,
-            default_value=_b("").decode("utf-8"),
+            default_value=[],
             message_type=None,
             enum_type=None,
             containing_type=None,
@@ -588,27 +598,27 @@
     syntax="proto3",
     extension_ranges=[],
     oneofs=[],
-    serialized_start=1976,
-    serialized_end=2012,
+    serialized_start=2008,
+    serialized_end=2094,
 )
 
-_STRUCTUREDQUERY_PROJECTION = _descriptor.Descriptor(
-    name="Projection",
-    full_name="google.firestore.v1beta1.StructuredQuery.Projection",
+_STRUCTUREDQUERY_FIELDREFERENCE = _descriptor.Descriptor(
+    name="FieldReference",
+    full_name="google.firestore.v1beta1.StructuredQuery.FieldReference",
     filename=None,
     file=DESCRIPTOR,
     containing_type=None,
     fields=[
         _descriptor.FieldDescriptor(
-            name="fields",
-            full_name="google.firestore.v1beta1.StructuredQuery.Projection.fields",
+            name="field_path",
+            full_name="google.firestore.v1beta1.StructuredQuery.FieldReference.field_path",
             index=0,
             number=2,
-            type=11,
-            cpp_type=10,
-            label=3,
+            type=9,
+            cpp_type=9,
+            label=1,
             has_default_value=False,
-            default_value=[],
+            default_value=_b("").decode("utf-8"),
             message_type=None,
             enum_type=None,
             containing_type=None,
@@ -626,8 +636,8 @@
     syntax="proto3",
     extension_ranges=[],
     oneofs=[],
-    serialized_start=2014,
-    serialized_end=2100,
+    serialized_start=2096,
+    serialized_end=2132,
 )
 
 _STRUCTUREDQUERY = _descriptor.Descriptor(
@@ -790,8 +800,8 @@
         _STRUCTUREDQUERY_FIELDFILTER,
         _STRUCTUREDQUERY_UNARYFILTER,
         _STRUCTUREDQUERY_ORDER,
-        _STRUCTUREDQUERY_FIELDREFERENCE,
         _STRUCTUREDQUERY_PROJECTION,
+        _STRUCTUREDQUERY_FIELDREFERENCE,
     ],
     enum_types=[_STRUCTUREDQUERY_DIRECTION],
     serialized_options=None,
@@ -800,7 +810,7 @@
     extension_ranges=[],
     oneofs=[],
     serialized_start=194,
-    serialized_end=2171,
+    serialized_end=2203,
 )
 
 
@@ -856,8 +866,8 @@
     syntax="proto3",
     extension_ranges=[],
     oneofs=[],
-    serialized_start=2173,
-    serialized_end=2246,
+    serialized_start=2205,
+    serialized_end=2278,
 )
 
 _STRUCTUREDQUERY_COLLECTIONSELECTOR.containing_type = _STRUCTUREDQUERY
@@ -933,11 +943,11 @@
     "direction"
 ].enum_type = _STRUCTUREDQUERY_DIRECTION
 _STRUCTUREDQUERY_ORDER.containing_type = _STRUCTUREDQUERY
-_STRUCTUREDQUERY_FIELDREFERENCE.containing_type = _STRUCTUREDQUERY
 _STRUCTUREDQUERY_PROJECTION.fields_by_name[
     "fields"
 ].message_type = _STRUCTUREDQUERY_FIELDREFERENCE
 _STRUCTUREDQUERY_PROJECTION.containing_type = _STRUCTUREDQUERY
+_STRUCTUREDQUERY_FIELDREFERENCE.containing_type = _STRUCTUREDQUERY
 _STRUCTUREDQUERY.fields_by_name["select"].message_type = _STRUCTUREDQUERY_PROJECTION
 _STRUCTUREDQUERY.fields_by_name[
     "from"
@@ -1084,17 +1094,6 @@
                 # @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.Order)
             ),
         ),
-        FieldReference=_reflection.GeneratedProtocolMessageType(
-            "FieldReference",
-            (_message.Message,),
-            dict(
-                DESCRIPTOR=_STRUCTUREDQUERY_FIELDREFERENCE,
-                __module__="google.cloud.firestore_v1beta1.proto.query_pb2",
-                __doc__="""A reference to a field, such as ``max(messages.time) as max_time``.
-    """,
-                # @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.FieldReference)
-            ),
-        ),
         Projection=_reflection.GeneratedProtocolMessageType(
             "Projection",
             (_message.Message,),
@@ -1112,6 +1111,17 @@
                 # @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.Projection)
             ),
         ),
+        FieldReference=_reflection.GeneratedProtocolMessageType(
+            "FieldReference",
+            (_message.Message,),
+            dict(
+                DESCRIPTOR=_STRUCTUREDQUERY_FIELDREFERENCE,
+                __module__="google.cloud.firestore_v1beta1.proto.query_pb2",
+                __doc__="""A reference to a field, such as ``max(messages.time) as max_time``.
+    """,
+                # @@protoc_insertion_point(class_scope:google.firestore.v1beta1.StructuredQuery.FieldReference)
+            ),
+        ),
         DESCRIPTOR=_STRUCTUREDQUERY,
         __module__="google.cloud.firestore_v1beta1.proto.query_pb2",
         __doc__="""A Firestore query.
@@ -1160,8 +1170,8 @@
 _sym_db.RegisterMessage(StructuredQuery.FieldFilter)
 _sym_db.RegisterMessage(StructuredQuery.UnaryFilter)
 _sym_db.RegisterMessage(StructuredQuery.Order)
-_sym_db.RegisterMessage(StructuredQuery.FieldReference)
 _sym_db.RegisterMessage(StructuredQuery.Projection)
+_sym_db.RegisterMessage(StructuredQuery.FieldReference)
 
 Cursor = _reflection.GeneratedProtocolMessageType(
     "Cursor",
diff --git a/synth.metadata b/synth.metadata
index ab85f3700..e22035e70 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -1,18 +1,19 @@
 {
-  "updateTime": "2019-09-19T12:22:24.552315Z",
+  "updateTime": "2019-10-10T12:25:00.305808Z",
   "sources": [
     {
       "generator": {
         "name": "artman",
-        "version": "0.36.3",
-        "dockerImage": "googleapis/artman@sha256:66ca01f27ef7dc50fbfb7743b67028115a6a8acf43b2d82f9fc826de008adac4"
+        "version": "0.38.0",
+        "dockerImage": "googleapis/artman@sha256:0d2f8d429110aeb8d82df6550ef4ede59d40df9062d260a1580fce688b0512bf"
       }
     },
     {
       "git": {
         "name": "googleapis",
         "remote": "https://github.com/googleapis/googleapis.git",
-        "sha": "23f6c4d8d49ef3f1aaa45768869d8616efe4a307"
+        "sha": "10f91fa12f70e8e0209a45fc10807ed1f77c7e4e",
+        "internalRef": "273826591"
       }
     },
     {