diff --git a/pkgs/development/python-modules/google-cloud-pubsub/default.nix b/pkgs/development/python-modules/google-cloud-pubsub/default.nix
index f69f56fb510d..187b0bd977e6 100644
--- a/pkgs/development/python-modules/google-cloud-pubsub/default.nix
+++ b/pkgs/development/python-modules/google-cloud-pubsub/default.nix
@@ -17,14 +17,14 @@
 
 buildPythonPackage rec {
   pname = "google-cloud-pubsub";
-  version = "2.21.0";
+  version = "2.21.1";
   pyproject = true;
 
   disabled = pythonOlder "3.7";
 
   src = fetchPypi {
     inherit pname version;
-    hash = "sha256-lAF/C8moX6P02RPzEukwoP4hd1vWjd5cZm4vGxrd+BE=";
+    hash = "sha256-MfzwdES3+BOmFsS2UOH78dyZigiP4AWadhZIVawX8Fw=";
   };
 
   build-system = [