diff --git a/pkgs/development/python-modules/google-cloud-secret-manager/default.nix b/pkgs/development/python-modules/google-cloud-secret-manager/default.nix
index 12d99020fe49..1c2bc12ae371 100644
--- a/pkgs/development/python-modules/google-cloud-secret-manager/default.nix
+++ b/pkgs/development/python-modules/google-cloud-secret-manager/default.nix
@@ -3,37 +3,35 @@
 , fetchPypi
 , google-api-core
 , grpc-google-iam-v1
-, libcst
-, mock
 , proto-plus
-, pytestCheckHook
+, protobuf
 , pytest-asyncio
+, pytestCheckHook
 , pythonOlder
 }:
 
 buildPythonPackage rec {
   pname = "google-cloud-secret-manager";
-  version = "2.12.6";
+  version = "2.13.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-equimX9D+MOzWQPvxUw4moAvOYU7qB6B4RkPCTQg7PY=";
+    hash = "sha256-1BBOEdkh0jVBHtSVEnOsXtaCPF/GuXB90FCZeOmue9I=";
   };
 
   propagatedBuildInputs = [
     google-api-core
     grpc-google-iam-v1
-    libcst
     proto-plus
-  ];
+    protobuf
+  ] ++ google-api-core.optional-dependencies.grpc;
 
   checkInputs = [
-    mock
-    pytestCheckHook
     pytest-asyncio
+    pytestCheckHook
   ];
 
   pythonImportsCheck = [