diff --git a/pkgs/development/libraries/libyaml/default.nix b/pkgs/development/libraries/libyaml/default.nix
index 03e7e4715f886..9a9c5e0311f16 100644
--- a/pkgs/development/libraries/libyaml/default.nix
+++ b/pkgs/development/libraries/libyaml/default.nix
@@ -14,6 +14,8 @@ stdenv.mkDerivation rec {
     sha256 = "18zsnsxc53pans4a01cs4401a2cjk3qi098hi440pj4zijifgcsb";
   };
 
+  outputs = [ "out" "dev" ];
+
   nativeBuildInputs = [ autoreconfHook ];
 
   meta = with lib; {