diff --git a/pkgs/development/python-modules/pycmarkgfm/default.nix b/pkgs/development/python-modules/pycmarkgfm/default.nix
index 36b171c22b12..348bca8d49e7 100644
--- a/pkgs/development/python-modules/pycmarkgfm/default.nix
+++ b/pkgs/development/python-modules/pycmarkgfm/default.nix
@@ -10,6 +10,8 @@ buildPythonPackage rec {
     sha256 = "694cb242f4961437c30b5b015dfbce9d1a1fa48305c2e39f902ce7c65b4cbe0e";
   };
 
+  propagatedNativeBuildInputs = [ cffi ];
+
   propagatedBuildInputs = [ cffi ];
 
   # I would gladly use pytestCheckHook, but pycmarkgfm relies on a native