diff --git a/pkgs/development/python-modules/oslo-utils/default.nix b/pkgs/development/python-modules/oslo-utils/default.nix
index 25bc4706f0de..45e400856ba7 100644
--- a/pkgs/development/python-modules/oslo-utils/default.nix
+++ b/pkgs/development/python-modules/oslo-utils/default.nix
@@ -23,12 +23,12 @@
 
 buildPythonPackage rec {
   pname = "oslo-utils";
-  version = "4.13.0";
+  version = "6.0.0";
 
   src = fetchPypi {
     pname = "oslo.utils";
     inherit version;
-    sha256 = "sha256-RbqKql7QVqjo5GBZ75PVwte5yZvHSA42HPV4Pkfyj7o=";
+    sha256 = "sha256-CpLiTESWht7CgAlXZr4+uOV/EyXNpMbyEpVBVk5ei6g=";
   };
 
   postPatch = ''