diff --git a/pkgs/development/libraries/gumbo/default.nix b/pkgs/development/libraries/gumbo/default.nix
index 0948b5d01fa..b8cfef1f324 100644
--- a/pkgs/development/libraries/gumbo/default.nix
+++ b/pkgs/development/libraries/gumbo/default.nix
@@ -11,8 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "0xslckwdh2i0g2qjsb6rnm8mjmbagvziz0hjlf7d1lbljfms1iw1";
   };
 
-  nativeBuildInputs = [ autoconf automake ];
-  buildInputs = [ libtool ];
+  strictDeps = true;
+  nativeBuildInputs = [ autoconf automake libtool ];
 
   preConfigure = "./autogen.sh";