diff --git a/pkgs/development/python-modules/casbin/default.nix b/pkgs/development/python-modules/casbin/default.nix
index ed78e73db71f..944136840f63 100644
--- a/pkgs/development/python-modules/casbin/default.nix
+++ b/pkgs/development/python-modules/casbin/default.nix
@@ -9,7 +9,7 @@
 
 buildPythonPackage rec {
   pname = "casbin";
-  version = "1.13.0";
+  version = "1.15.0";
   format = "setuptools";
 
   disabled = pythonOlder "3.6";
@@ -18,7 +18,7 @@ buildPythonPackage rec {
     owner = pname;
     repo = "pycasbin";
     rev = "v${version}";
-    sha256 = "1qraxp0nij5412pvz9lvysb38px551arl29q06pd0z6rg1d8gdkx";
+    sha256 = "05jg8qm0ix02qvcjqcfalp15j22hzlf9wfdnhrll57bnwgk4kkf8";
   };
 
   propagatedBuildInputs = [