diff --git a/google/cloud/bigtable_admin_v2/__init__.py b/google/cloud/bigtable_admin_v2/__init__.py
index 79a9bea68..edfce27ef 100644
--- a/google/cloud/bigtable_admin_v2/__init__.py
+++ b/google/cloud/bigtable_admin_v2/__init__.py
@@ -88,7 +88,7 @@
     "AppProfile",
     "Backup",
     "BackupInfo",
-    "BigtableTableAdminClient",
+    "BigtableInstanceAdminClient",
     "CheckConsistencyRequest",
     "CheckConsistencyResponse",
     "Cluster",
@@ -151,5 +151,5 @@
     "UpdateBackupRequest",
     "UpdateClusterMetadata",
     "UpdateInstanceMetadata",
-    "BigtableInstanceAdminClient",
+    "BigtableTableAdminClient",
 )
diff --git a/noxfile.py b/noxfile.py
index 6e69bfe0b..72b387570 100644
--- a/noxfile.py
+++ b/noxfile.py
@@ -123,6 +123,9 @@ def system(session):
     # Sanity check: Only run tests if the environment variable is set.
     if not os.environ.get("GOOGLE_APPLICATION_CREDENTIALS", ""):
         session.skip("Credentials must be set via environment variable")
+    # Install pyopenssl for mTLS testing.
+    if os.environ.get("GOOGLE_API_USE_CLIENT_CERTIFICATE", "false") == "true":
+        session.install("pyopenssl")
 
     system_test_exists = os.path.exists(system_test_path)
     system_test_folder_exists = os.path.exists(system_test_folder_path)
diff --git a/synth.metadata b/synth.metadata
index 22cbe9e6b..b34bdccd3 100644
--- a/synth.metadata
+++ b/synth.metadata
@@ -4,7 +4,7 @@
       "git": {
         "name": ".",
         "remote": "https://github.com/googleapis/python-bigtable.git",
-        "sha": "f0a2bc8ab62bf946c62ce9baffbd332ac5126b27"
+        "sha": "75f9df66d6037dbfa3a34722fed5fe362be5459f"
       }
     },
     {
@@ -19,14 +19,14 @@
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "d17674372e27fb8f23013935e794aa37502071aa"
+        "sha": "0780323da96d5a53925fe0547757181fe76e8f1e"
       }
     },
     {
       "git": {
         "name": "synthtool",
         "remote": "https://github.com/googleapis/synthtool.git",
-        "sha": "d17674372e27fb8f23013935e794aa37502071aa"
+        "sha": "0780323da96d5a53925fe0547757181fe76e8f1e"
       }
     }
   ],