diff --git a/pkgs/development/python-modules/awesome-slugify/default.nix b/pkgs/development/python-modules/awesome-slugify/default.nix
index 105c70c28b34..945c941dec4e 100644
--- a/pkgs/development/python-modules/awesome-slugify/default.nix
+++ b/pkgs/development/python-modules/awesome-slugify/default.nix
@@ -3,13 +3,17 @@
 buildPythonPackage rec {
   pname = "awesome-slugify";
   version = "1.6.5";
-  name  = "${pname}-${version}";
 
   src = fetchPypi {
     inherit pname version;
     sha256 = "0wgxrhr8s5vk2xmcz9s1z1aml4ppawmhkbggl9rp94c747xc7pmv";
   };
 
+  prePatch = ''
+    substituteInPlace setup.py \
+        --replace 'Unidecode>=0.04.14,<0.05' 'Unidecode>=0.04.14'
+  '';
+
   patches = [
     ./slugify_filename_test.patch # fixes broken test by new unidecode
   ];