diff --git a/CHANGELOG.md b/CHANGELOG.md
index c1a8d9b97f..b9ac004e0d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+### [1.20.4](https://www.github.com/googleapis/java-bigquerystorage/compare/v1.20.3...v1.20.4) (2021-05-11)
+
+
+### Bug Fixes
+
+* migrate json writer to use StreamWriterV2 ([#1058](https://www.github.com/googleapis/java-bigquerystorage/issues/1058)) ([586777f](https://www.github.com/googleapis/java-bigquerystorage/commit/586777f289f3dc84d2d6237463f128d278d2465f))
+
+
+### Dependencies
+
+* update dependency com.google.cloud:google-cloud-shared-dependencies to v1.1.0 ([#1061](https://www.github.com/googleapis/java-bigquerystorage/issues/1061)) ([d6c3146](https://www.github.com/googleapis/java-bigquerystorage/commit/d6c3146d21282d1e0724583f68a31184d2d7167b))
+
 ### [1.20.3](https://www.github.com/googleapis/java-bigquerystorage/compare/v1.20.2...v1.20.3) (2021-05-04)
 
 
diff --git a/google-cloud-bigquerystorage-bom/pom.xml b/google-cloud-bigquerystorage-bom/pom.xml
index be935febba..4df647b027 100644
--- a/google-cloud-bigquerystorage-bom/pom.xml
+++ b/google-cloud-bigquerystorage-bom/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerystorage-bom</artifactId>
-  <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+  <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   <packaging>pom</packaging>
   <parent>
     <groupId>com.google.cloud</groupId>
@@ -63,38 +63,38 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerystorage-v1beta1</artifactId>
-        <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta1:current} -->
+        <version>0.120.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerystorage-v1beta2</artifactId>
-        <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta2:current} -->
+        <version>0.120.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerystorage-v1</artifactId>
-        <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1:current} -->
+        <version>1.20.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1:current} -->
       </dependency>
 
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerystorage-v1beta1</artifactId>
-        <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta1:current} -->
+        <version>0.120.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerystorage-v1beta2</artifactId>
-        <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta2:current} -->
+        <version>0.120.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerystorage-v1</artifactId>
-        <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1:current} -->
+        <version>1.20.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquerystorage</artifactId>
-        <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+        <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
       </dependency>
     </dependencies>
   </dependencyManagement>
diff --git a/google-cloud-bigquerystorage/pom.xml b/google-cloud-bigquerystorage/pom.xml
index 47f34968ef..13939fee90 100644
--- a/google-cloud-bigquerystorage/pom.xml
+++ b/google-cloud-bigquerystorage/pom.xml
@@ -3,7 +3,7 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerystorage</artifactId>
-  <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+  <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   <packaging>jar</packaging>
   <name>BigQuery Storage</name>
   <url>https://github.com/googleapis/java-bigquerystorage</url>
@@ -11,7 +11,7 @@
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <properties>
     <site.installationModule>google-cloud-bigquerystorage</site.installationModule>
diff --git a/grpc-google-cloud-bigquerystorage-v1/pom.xml b/grpc-google-cloud-bigquerystorage-v1/pom.xml
index c0cf1d8b2f..5c2f0ab028 100644
--- a/grpc-google-cloud-bigquerystorage-v1/pom.xml
+++ b/grpc-google-cloud-bigquerystorage-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigquerystorage-v1</artifactId>
-  <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1:current} -->
+  <version>1.20.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1:current} -->
   <name>grpc-google-cloud-bigquerystorage-v1</name>
   <description>GRPC library for grpc-google-cloud-bigquerystorage-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-bigquerystorage-v1beta1/pom.xml b/grpc-google-cloud-bigquerystorage-v1beta1/pom.xml
index 4b1ac53bed..b1b6681502 100644
--- a/grpc-google-cloud-bigquerystorage-v1beta1/pom.xml
+++ b/grpc-google-cloud-bigquerystorage-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigquerystorage-v1beta1</artifactId>
-  <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta1:current} -->
+  <version>0.120.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta1:current} -->
   <name>grpc-google-cloud-bigquerystorage-v1beta1</name>
   <description>GRPC library for grpc-google-cloud-bigquerystorage-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/grpc-google-cloud-bigquerystorage-v1beta2/pom.xml b/grpc-google-cloud-bigquerystorage-v1beta2/pom.xml
index b9d52cf356..14876cc7be 100644
--- a/grpc-google-cloud-bigquerystorage-v1beta2/pom.xml
+++ b/grpc-google-cloud-bigquerystorage-v1beta2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>grpc-google-cloud-bigquerystorage-v1beta2</artifactId>
-  <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta2:current} -->
+  <version>0.120.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta2:current} -->
   <name>grpc-google-cloud-bigquerystorage-v1beta2</name>
   <description>GRPC library for grpc-google-cloud-bigquerystorage-v1beta2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/pom.xml b/pom.xml
index cc94b5d093..ebc5ec5933 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <groupId>com.google.cloud</groupId>
   <artifactId>google-cloud-bigquerystorage-parent</artifactId>
   <packaging>pom</packaging>
-  <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+  <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   <name>BigQuery Storage Parent</name>
   <url>https://github.com/googleapis/java-bigquerystorage</url>
   <description>
@@ -97,37 +97,37 @@
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerystorage-v1beta1</artifactId>
-        <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta1:current} -->
+        <version>0.120.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerystorage-v1beta2</artifactId>
-        <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta2:current} -->
+        <version>0.120.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>proto-google-cloud-bigquerystorage-v1</artifactId>
-        <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1:current} -->
+        <version>1.20.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerystorage-v1beta1</artifactId>
-        <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta1:current} -->
+        <version>0.120.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerystorage-v1beta2</artifactId>
-        <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta2:current} -->
+        <version>0.120.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1beta2:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.api.grpc</groupId>
         <artifactId>grpc-google-cloud-bigquerystorage-v1</artifactId>
-        <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1:current} -->
+        <version>1.20.4</version><!-- {x-version-update:grpc-google-cloud-bigquerystorage-v1:current} -->
       </dependency>
       <dependency>
         <groupId>com.google.cloud</groupId>
         <artifactId>google-cloud-bigquerystorage</artifactId>
-        <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+        <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
       </dependency>
       <dependency>
         <groupId>org.json</groupId>
diff --git a/proto-google-cloud-bigquerystorage-v1/pom.xml b/proto-google-cloud-bigquerystorage-v1/pom.xml
index 553af9f28c..ecf40e57c3 100644
--- a/proto-google-cloud-bigquerystorage-v1/pom.xml
+++ b/proto-google-cloud-bigquerystorage-v1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigquerystorage-v1</artifactId>
-  <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1:current} -->
+  <version>1.20.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1:current} -->
   <name>proto-google-cloud-bigquerystorage-v1</name>
   <description>PROTO library for proto-google-cloud-bigquerystorage-v1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-bigquerystorage-v1beta1/pom.xml b/proto-google-cloud-bigquerystorage-v1beta1/pom.xml
index f58c3a86b5..573fd9bc06 100644
--- a/proto-google-cloud-bigquerystorage-v1beta1/pom.xml
+++ b/proto-google-cloud-bigquerystorage-v1beta1/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigquerystorage-v1beta1</artifactId>
-  <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta1:current} -->
+  <version>0.120.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta1:current} -->
   <name>proto-google-cloud-bigquerystorage-v1beta1</name>
   <description>PROTO library for proto-google-cloud-bigquerystorage-v1beta1</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/proto-google-cloud-bigquerystorage-v1beta2/pom.xml b/proto-google-cloud-bigquerystorage-v1beta2/pom.xml
index 1be44630fe..b974b23032 100644
--- a/proto-google-cloud-bigquerystorage-v1beta2/pom.xml
+++ b/proto-google-cloud-bigquerystorage-v1beta2/pom.xml
@@ -4,13 +4,13 @@
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.google.api.grpc</groupId>
   <artifactId>proto-google-cloud-bigquerystorage-v1beta2</artifactId>
-  <version>0.120.4-SNAPSHOT</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta2:current} -->
+  <version>0.120.4</version><!-- {x-version-update:proto-google-cloud-bigquerystorage-v1beta2:current} -->
   <name>proto-google-cloud-bigquerystorage-v1beta2</name>
   <description>PROTO library for proto-google-cloud-bigquerystorage-v1beta2</description>
   <parent>
     <groupId>com.google.cloud</groupId>
     <artifactId>google-cloud-bigquerystorage-parent</artifactId>
-    <version>1.20.4-SNAPSHOT</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
+    <version>1.20.4</version><!-- {x-version-update:google-cloud-bigquerystorage:current} -->
   </parent>
   <dependencies>
     <dependency>
diff --git a/samples/snapshot/pom.xml b/samples/snapshot/pom.xml
index d6b294450a..10ac02796f 100644
--- a/samples/snapshot/pom.xml
+++ b/samples/snapshot/pom.xml
@@ -29,7 +29,7 @@
     <dependency>
       <groupId>com.google.cloud</groupId>
       <artifactId>google-cloud-bigquerystorage</artifactId>
-      <version>1.20.4-SNAPSHOT</version>
+      <version>1.20.4</version>
     </dependency>
     <!-- {x-version-update-end} -->
 
diff --git a/versions.txt b/versions.txt
index 0a83924ef5..663dbfb873 100644
--- a/versions.txt
+++ b/versions.txt
@@ -1,10 +1,10 @@
 # Format:
 # module:released-version:current-version
 
-proto-google-cloud-bigquerystorage-v1beta1:0.120.3:0.120.4-SNAPSHOT
-proto-google-cloud-bigquerystorage-v1beta2:0.120.3:0.120.4-SNAPSHOT
-proto-google-cloud-bigquerystorage-v1:1.20.3:1.20.4-SNAPSHOT
-grpc-google-cloud-bigquerystorage-v1beta1:0.120.3:0.120.4-SNAPSHOT
-grpc-google-cloud-bigquerystorage-v1beta2:0.120.3:0.120.4-SNAPSHOT
-grpc-google-cloud-bigquerystorage-v1:1.20.3:1.20.4-SNAPSHOT
-google-cloud-bigquerystorage:1.20.3:1.20.4-SNAPSHOT
+proto-google-cloud-bigquerystorage-v1beta1:0.120.4:0.120.4
+proto-google-cloud-bigquerystorage-v1beta2:0.120.4:0.120.4
+proto-google-cloud-bigquerystorage-v1:1.20.4:1.20.4
+grpc-google-cloud-bigquerystorage-v1beta1:0.120.4:0.120.4
+grpc-google-cloud-bigquerystorage-v1beta2:0.120.4:0.120.4
+grpc-google-cloud-bigquerystorage-v1:1.20.4:1.20.4
+google-cloud-bigquerystorage:1.20.4:1.20.4