diff --git a/gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/rest.py.j2 b/gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/rest.py.j2
index 6bdbbbcbc..1001df616 100644
--- a/gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/rest.py.j2
+++ b/gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/rest.py.j2
@@ -44,7 +44,7 @@ except AttributeError:  # pragma: NO COVER
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=BASE_DEFAULT_CLIENT_INFO.gapic_version,
     grpc_version=None,
-    rest_version=requests_version,
+    rest_version=f"requests@{requests_version}",
 )
 
 
diff --git a/gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/rest_asyncio.py.j2 b/gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/rest_asyncio.py.j2
index 6ae4e6778..beb2d7ee1 100644
--- a/gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/rest_asyncio.py.j2
+++ b/gapic/templates/%namespace/%name_%version/%sub/services/%service/transports/rest_asyncio.py.j2
@@ -66,7 +66,7 @@ except AttributeError:  # pragma: NO COVER
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=BASE_DEFAULT_CLIENT_INFO.gapic_version,
     grpc_version=None,
-    rest_version=google.auth.__version__
+    rest_version=f"google-auth@{google.auth.__version__}",
 )
 
 {{ shared_macros.create_interceptor_class(api, service, method, is_async=True) }}
diff --git a/tests/integration/goldens/asset/google/cloud/asset_v1/services/asset_service/transports/rest.py b/tests/integration/goldens/asset/google/cloud/asset_v1/services/asset_service/transports/rest.py
index f7e7aaffc..e4ca2ea51 100755
--- a/tests/integration/goldens/asset/google/cloud/asset_v1/services/asset_service/transports/rest.py
+++ b/tests/integration/goldens/asset/google/cloud/asset_v1/services/asset_service/transports/rest.py
@@ -49,7 +49,7 @@
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=BASE_DEFAULT_CLIENT_INFO.gapic_version,
     grpc_version=None,
-    rest_version=requests_version,
+    rest_version=f"requests@{requests_version}",
 )
 
 
diff --git a/tests/integration/goldens/credentials/google/iam/credentials_v1/services/iam_credentials/transports/rest.py b/tests/integration/goldens/credentials/google/iam/credentials_v1/services/iam_credentials/transports/rest.py
index 819c62f3c..a2e5c7b97 100755
--- a/tests/integration/goldens/credentials/google/iam/credentials_v1/services/iam_credentials/transports/rest.py
+++ b/tests/integration/goldens/credentials/google/iam/credentials_v1/services/iam_credentials/transports/rest.py
@@ -46,7 +46,7 @@
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=BASE_DEFAULT_CLIENT_INFO.gapic_version,
     grpc_version=None,
-    rest_version=requests_version,
+    rest_version=f"requests@{requests_version}",
 )
 
 
diff --git a/tests/integration/goldens/eventarc/google/cloud/eventarc_v1/services/eventarc/transports/rest.py b/tests/integration/goldens/eventarc/google/cloud/eventarc_v1/services/eventarc/transports/rest.py
index 1031edb41..214d5655f 100755
--- a/tests/integration/goldens/eventarc/google/cloud/eventarc_v1/services/eventarc/transports/rest.py
+++ b/tests/integration/goldens/eventarc/google/cloud/eventarc_v1/services/eventarc/transports/rest.py
@@ -57,7 +57,7 @@
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=BASE_DEFAULT_CLIENT_INFO.gapic_version,
     grpc_version=None,
-    rest_version=requests_version,
+    rest_version=f"requests@{requests_version}",
 )
 
 
diff --git a/tests/integration/goldens/redis/google/cloud/redis_v1/services/cloud_redis/transports/rest.py b/tests/integration/goldens/redis/google/cloud/redis_v1/services/cloud_redis/transports/rest.py
index 750a09fa6..2e18f09cd 100755
--- a/tests/integration/goldens/redis/google/cloud/redis_v1/services/cloud_redis/transports/rest.py
+++ b/tests/integration/goldens/redis/google/cloud/redis_v1/services/cloud_redis/transports/rest.py
@@ -49,7 +49,7 @@
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=BASE_DEFAULT_CLIENT_INFO.gapic_version,
     grpc_version=None,
-    rest_version=requests_version,
+    rest_version=f"requests@{requests_version}",
 )
 
 
diff --git a/tests/integration/goldens/redis/google/cloud/redis_v1/services/cloud_redis/transports/rest_asyncio.py b/tests/integration/goldens/redis/google/cloud/redis_v1/services/cloud_redis/transports/rest_asyncio.py
index e82769893..4eff5c369 100755
--- a/tests/integration/goldens/redis/google/cloud/redis_v1/services/cloud_redis/transports/rest_asyncio.py
+++ b/tests/integration/goldens/redis/google/cloud/redis_v1/services/cloud_redis/transports/rest_asyncio.py
@@ -59,7 +59,7 @@
 DEFAULT_CLIENT_INFO = gapic_v1.client_info.ClientInfo(
     gapic_version=BASE_DEFAULT_CLIENT_INFO.gapic_version,
     grpc_version=None,
-    rest_version=google.auth.__version__
+    rest_version=f"google-auth@{google.auth.__version__}",
 )