diff --git a/pkgs/development/python-modules/calmjs-parse/default.nix b/pkgs/development/python-modules/calmjs-parse/default.nix
index 33cf052a442..8420cbd03af 100644
--- a/pkgs/development/python-modules/calmjs-parse/default.nix
+++ b/pkgs/development/python-modules/calmjs-parse/default.nix
@@ -8,13 +8,15 @@
 
 buildPythonPackage rec {
   pname = "calmjs-parse";
-  version = "1.2.5";
+  version = "1.3.0";
+
+  format = "setuptools";
 
   src = fetchFromGitHub {
     owner = "calmjs";
     repo = "calmjs.parse";
     rev = version;
-    sha256 = "0ypfbas33k1706p6w1bf9gnrv38z8fa4qci1iaks80dp58g8sv4r";
+    hash = "sha256-QhHNp9g88RhGHqRRjg4nk7aXjAgGCOauOagWJoJ3fqc=";
   };
 
   propagatedBuildInputs = [