diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index bbed8f76c76..4ae21516f7d 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -14927,13 +14927,13 @@ in {
   });
 
   osc = buildPythonPackage {
-    name = "osc-0.156.0-94-gd8ba394";
+    name = "osc-0.159.0-4-g2d44589";
     disabled = isPy3k;
     src = pkgs.fetchFromGitHub {
       owner = "openSUSE";
       repo = "osc";
-      rev = "d8ba39416bb193a15489cb2ae57847434adbf1c8";
-      sha256 = "0bxl1sjfpdrhyc0qljyqlkffyzn1iywjqgaz2z1y07zq59gc8wq0";
+      rev = "2d44589886845af7da911aaec9403344e396cd91";
+      sha256 = "0s8p7gkp64w6r5rnxpbvl2dgb5p85kq2skcqm6qxn5ddadhw2sfz";
     };
     buildInputs = with pkgs; [ bashInteractive ]; # needed for bash-completion helper
     propagatedBuildInputs = with self; [ urlgrabber m2crypto pyyaml ];