diff --git a/pkgs/development/python-modules/django_compressor/default.nix b/pkgs/development/python-modules/django_compressor/default.nix
index 845d49288051..30343f765701 100644
--- a/pkgs/development/python-modules/django_compressor/default.nix
+++ b/pkgs/development/python-modules/django_compressor/default.nix
@@ -8,8 +8,12 @@ buildPythonPackage rec {
       inherit pname version;
       sha256 = "9616570e5b08e92fa9eadc7a1b1b49639cce07ef392fc27c74230ab08075b30f";
     };
+    postPatch = ''
+      substituteInPlace setup.py --replace 'rcssmin == 1.0.6' 'rcssmin' \
+        --replace 'rjsmin == 1.0.12' 'rjsmin'
+    '';
 
-    # Need to setup django testing
+    # requires django-sekizai, which we don't have packaged yet
     doCheck = false;
 
     propagatedBuildInputs = [ rcssmin rjsmin django_appconf ];