diff --git a/pkgs/development/python-modules/oslo-utils/default.nix b/pkgs/development/python-modules/oslo-utils/default.nix
index 47a4aac4eb26..9da2e71d149e 100644
--- a/pkgs/development/python-modules/oslo-utils/default.nix
+++ b/pkgs/development/python-modules/oslo-utils/default.nix
@@ -37,13 +37,13 @@
 
 buildPythonPackage rec {
   pname = "oslo-utils";
-  version = "9.0.0";
+  version = "9.1.0";
   pyproject = true;
 
   src = fetchPypi {
     pname = "oslo_utils";
     inherit version;
-    hash = "sha256-1FobkOoUlliVYtOP6EP9p/okf5p+YXhIhZkdIPtmOkM=";
+    hash = "sha256-AcOHXnzKAFtZRlxCn0ZxE7X0sEIRy9U0yawvFSJ207M=";
   };
 
   patches = [