diff --git a/pkgs/development/python-modules/oslo-i18n/default.nix b/pkgs/development/python-modules/oslo-i18n/default.nix
index 7a5aee1e1696..731cf10b7912 100644
--- a/pkgs/development/python-modules/oslo-i18n/default.nix
+++ b/pkgs/development/python-modules/oslo-i18n/default.nix
@@ -9,12 +9,12 @@
 
 buildPythonPackage rec {
   pname = "oslo-i18n";
-  version = "5.1.0";
+  version = "6.0.0";
 
   src = fetchPypi {
     pname = "oslo.i18n";
     inherit version;
-    sha256 = "6bf111a6357d5449640852de4640eae4159b5562bbba4c90febb0034abc095d0";
+    sha256 = "sha256-7RBoa3X3xgeCUXemaRVfTiWc459hQ6N19jWbvKpKNc0=";
   };
 
   postPatch = ''