1 files changed, 1 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/development/python-modules/lxml/default.nix b/nixpkgs/pkgs/development/python-modules/lxml/default.nix
index 816b3a676828..fca4366e8a0e 100644
--- a/nixpkgs/pkgs/development/python-modules/lxml/default.nix
+++ b/nixpkgs/pkgs/development/python-modules/lxml/default.nix
@@ -15,7 +15,7 @@ buildPythonPackage rec {
   };
 
   nativeBuildInputs = [ libxml2.dev libxslt.dev ];
-  buildInputs = [ libxml2 libxslt ];
+  propagatedBuildInputs = [ libxml2 libxslt ];
 
   hardeningDisable = stdenv.lib.optional stdenv.isDarwin "format";