diff --git a/pkgs/development/python-modules/osc/default.nix b/pkgs/development/python-modules/osc/default.nix
index 8aace8c6ed8f..ba373b3fca06 100644
--- a/pkgs/development/python-modules/osc/default.nix
+++ b/pkgs/development/python-modules/osc/default.nix
@@ -12,14 +12,14 @@
 
 buildPythonPackage rec {
   pname = "osc";
-  version = "1.20.0";
+  version = "1.21.0";
   format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "openSUSE";
     repo = "osc";
     rev = version;
-    hash = "sha256-00tS5iOnGkQ6XgROtY6cVU2ewIMtWVZSKobvB+FPPZM=";
+    hash = "sha256-VNDDb67zWkY1RDEjCgB29sVhtVZtY3KMB1T8N2d+xGQ=";
   };
 
   buildInputs = [ bashInteractive ]; # needed for bash-completion helper