diff --git a/pkgs/development/python-modules/hopcroftkarp/default.nix b/pkgs/development/python-modules/hopcroftkarp/default.nix
index 4acf05b41426..e6033aa347e9 100644
--- a/pkgs/development/python-modules/hopcroftkarp/default.nix
+++ b/pkgs/development/python-modules/hopcroftkarp/default.nix
@@ -5,11 +5,11 @@
 
 buildPythonPackage rec {
   pname = "hopcroftkarp";
-  version = "1.2.4";
+  version = "1.2.5";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "cc6fc7ad348bbe5c9451f8116845c46ae26290c92b2dd14690aae2d55ba5e3a6";
+    sha256 = "28a7887db81ad995ccd36a1b5164a4c542b16d2781e8c49334dc9d141968c0e7";
   };
 
   # tests fail due to bad package name