diff --git a/pkgs/development/python-modules/gin-config/default.nix b/pkgs/development/python-modules/gin-config/default.nix
index ee0113c331f..8aec7316ace 100644
--- a/pkgs/development/python-modules/gin-config/default.nix
+++ b/pkgs/development/python-modules/gin-config/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
 
   };
 
-  buildInputs = [ six enum34 ];
+  propogatedBuildInputs = [ six enum34 ];
 
   # PyPI archive does not ship with tests
   doCheck= false;