diff --git a/pkgs/development/python-modules/grpc-google-iam-v1/default.nix b/pkgs/development/python-modules/grpc-google-iam-v1/default.nix
index baf0ca566747..d8a5d20b97dd 100644
--- a/pkgs/development/python-modules/grpc-google-iam-v1/default.nix
+++ b/pkgs/development/python-modules/grpc-google-iam-v1/default.nix
@@ -10,14 +10,14 @@
 
 buildPythonPackage rec {
   pname = "grpc-google-iam-v1";
-  version = "0.13.1";
+  version = "0.14.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "googleapis";
     repo = "python-grpc-google-iam-v1";
     tag = "v${version}";
-    hash = "sha256-FLDx2zbM0qqLa+k/7xexyv5/YHlSOdikrbU2eYbxDM0=";
+    hash = "sha256-CkzXh7psXQvAbAduRR6+Bihv6RlaOAWdFDX7xaqWO8M=";
   };
 
   nativeBuildInputs = [ setuptools ];
@@ -42,7 +42,7 @@ buildPythonPackage rec {
   meta = with lib; {
     description = "GRPC library for the google-iam-v1 service";
     homepage = "https://github.com/googleapis/python-grpc-google-iam-v1";
-    changelog = "https://github.com/googleapis/python-grpc-google-iam-v1/releases/tag/v${version}";
+    changelog = "https://github.com/googleapis/python-grpc-google-iam-v1/releases/tag/${src.tag}";
     license = licenses.asl20;
     maintainers = [ ];
   };