diff --git a/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/async_client.py b/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/async_client.py
index a9c7ebc21..b150b7123 100644
--- a/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/async_client.py
+++ b/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/async_client.py
@@ -37,6 +37,7 @@
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 
 try:
@@ -3461,5 +3462,8 @@ async def __aexit__(self, exc_type, exc, tb):
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 __all__ = ("BigtableInstanceAdminAsyncClient",)
diff --git a/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/client.py b/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/client.py
index 72fd030ac..accaa1e03 100644
--- a/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/client.py
+++ b/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/client.py
@@ -45,6 +45,7 @@
 from google.auth.transport.grpc import SslCredentials  # type: ignore
 from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -3940,5 +3941,7 @@ def __exit__(self, type, value, traceback):
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
 
 __all__ = ("BigtableInstanceAdminClient",)
diff --git a/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/transports/base.py b/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/transports/base.py
index cd3289655..f5ceeeb68 100644
--- a/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/transports/base.py
+++ b/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/transports/base.py
@@ -26,6 +26,7 @@
 from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 from google.cloud.bigtable_admin_v2.types import bigtable_instance_admin
 from google.cloud.bigtable_admin_v2.types import instance
@@ -38,6 +39,9 @@
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 class BigtableInstanceAdminTransport(abc.ABC):
     """Abstract transport class for BigtableInstanceAdmin."""
diff --git a/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/transports/rest.py b/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/transports/rest.py
index 0d2239ad8..12af0792b 100644
--- a/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/transports/rest.py
+++ b/google/cloud/bigtable_admin_v2/services/bigtable_instance_admin/transports/rest.py
@@ -23,6 +23,7 @@
 from google.api_core import rest_helpers
 from google.api_core import rest_streaming
 from google.api_core import gapic_v1
+import google.protobuf
 
 from google.protobuf import json_format
 from google.api_core import operations_v1
@@ -64,6 +65,9 @@
     rest_version=f"requests@{requests_version}",
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 class BigtableInstanceAdminRestInterceptor:
     """Interceptor for BigtableInstanceAdmin.
diff --git a/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/async_client.py b/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/async_client.py
index 2eaebae35..1bf544db6 100644
--- a/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/async_client.py
+++ b/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/async_client.py
@@ -37,6 +37,7 @@
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 
 try:
@@ -3468,5 +3469,8 @@ async def __aexit__(self, exc_type, exc, tb):
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 __all__ = ("BigtableTableAdminAsyncClient",)
diff --git a/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/client.py b/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/client.py
index cc69fa051..abb82b1ed 100644
--- a/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/client.py
+++ b/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/client.py
@@ -45,6 +45,7 @@
 from google.auth.transport.grpc import SslCredentials  # type: ignore
 from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -3945,5 +3946,7 @@ def __exit__(self, type, value, traceback):
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
 
 __all__ = ("BigtableTableAdminClient",)
diff --git a/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/transports/base.py b/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/transports/base.py
index ea6dca7c2..9a549b7ca 100644
--- a/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/transports/base.py
+++ b/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/transports/base.py
@@ -26,6 +26,7 @@
 from google.api_core import operations_v1
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 from google.cloud.bigtable_admin_v2.types import bigtable_table_admin
 from google.cloud.bigtable_admin_v2.types import table
@@ -39,6 +40,9 @@
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 class BigtableTableAdminTransport(abc.ABC):
     """Abstract transport class for BigtableTableAdmin."""
diff --git a/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/transports/rest.py b/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/transports/rest.py
index f676835b5..fd9445161 100644
--- a/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/transports/rest.py
+++ b/google/cloud/bigtable_admin_v2/services/bigtable_table_admin/transports/rest.py
@@ -23,6 +23,7 @@
 from google.api_core import rest_helpers
 from google.api_core import rest_streaming
 from google.api_core import gapic_v1
+import google.protobuf
 
 from google.protobuf import json_format
 from google.api_core import operations_v1
@@ -65,6 +66,9 @@
     rest_version=f"requests@{requests_version}",
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 class BigtableTableAdminRestInterceptor:
     """Interceptor for BigtableTableAdmin.
diff --git a/google/cloud/bigtable_v2/services/bigtable/async_client.py b/google/cloud/bigtable_v2/services/bigtable/async_client.py
index 3ca8bb256..123c340fa 100644
--- a/google/cloud/bigtable_v2/services/bigtable/async_client.py
+++ b/google/cloud/bigtable_v2/services/bigtable/async_client.py
@@ -39,6 +39,7 @@
 from google.api_core import retry_async as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 
 try:
@@ -1737,5 +1738,8 @@ async def __aexit__(self, exc_type, exc, tb):
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 __all__ = ("BigtableAsyncClient",)
diff --git a/google/cloud/bigtable_v2/services/bigtable/client.py b/google/cloud/bigtable_v2/services/bigtable/client.py
index ba3eb9de3..902e435c5 100644
--- a/google/cloud/bigtable_v2/services/bigtable/client.py
+++ b/google/cloud/bigtable_v2/services/bigtable/client.py
@@ -46,6 +46,7 @@
 from google.auth.transport.grpc import SslCredentials  # type: ignore
 from google.auth.exceptions import MutualTLSChannelError  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 try:
     OptionalRetry = Union[retries.Retry, gapic_v1.method._MethodDefault, None]
@@ -2190,5 +2191,7 @@ def __exit__(self, type, value, traceback):
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
 
 __all__ = ("BigtableClient",)
diff --git a/google/cloud/bigtable_v2/services/bigtable/transports/base.py b/google/cloud/bigtable_v2/services/bigtable/transports/base.py
index 8c014abad..4d25d8b30 100644
--- a/google/cloud/bigtable_v2/services/bigtable/transports/base.py
+++ b/google/cloud/bigtable_v2/services/bigtable/transports/base.py
@@ -25,6 +25,7 @@
 from google.api_core import retry as retries
 from google.auth import credentials as ga_credentials  # type: ignore
 from google.oauth2 import service_account  # type: ignore
+import google.protobuf
 
 from google.cloud.bigtable_v2.types import bigtable
 
@@ -32,6 +33,9 @@
     gapic_version=package_version.__version__
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 class BigtableTransport(abc.ABC):
     """Abstract transport class for Bigtable."""
diff --git a/google/cloud/bigtable_v2/services/bigtable/transports/rest.py b/google/cloud/bigtable_v2/services/bigtable/transports/rest.py
index 7b410297f..c84ef147f 100644
--- a/google/cloud/bigtable_v2/services/bigtable/transports/rest.py
+++ b/google/cloud/bigtable_v2/services/bigtable/transports/rest.py
@@ -23,6 +23,7 @@
 from google.api_core import rest_helpers
 from google.api_core import rest_streaming
 from google.api_core import gapic_v1
+import google.protobuf
 
 from google.protobuf import json_format
 
@@ -58,6 +59,9 @@
     rest_version=f"requests@{requests_version}",
 )
 
+if hasattr(DEFAULT_CLIENT_INFO, "protobuf_runtime_version"):  # pragma: NO COVER
+    DEFAULT_CLIENT_INFO.protobuf_runtime_version = google.protobuf.__version__
+
 
 class BigtableRestInterceptor:
     """Interceptor for Bigtable.
diff --git a/tests/unit/gapic/bigtable_v2/test_bigtable.py b/tests/unit/gapic/bigtable_v2/test_bigtable.py
index dba535dcc..84093a926 100644
--- a/tests/unit/gapic/bigtable_v2/test_bigtable.py
+++ b/tests/unit/gapic/bigtable_v2/test_bigtable.py
@@ -7511,7 +7511,6 @@ def test_execute_query_routing_parameters_request_1_grpc():
         )
 
         assert args[0] == request_msg
-
         expected_headers = {
             "name": "projects/sample1/instances/sample2",
             "app_profile_id": "",