diff --git a/pkgs/development/libraries/libpeas/default.nix b/pkgs/development/libraries/libpeas/default.nix
index cdb1b95935f..a4632924a93 100644
--- a/pkgs/development/libraries/libpeas/default.nix
+++ b/pkgs/development/libraries/libpeas/default.nix
@@ -6,6 +6,8 @@ stdenv.mkDerivation rec {
   pname = "libpeas";
   version = "1.24.0";
 
+  outputs = [ "out" "dev" ];
+
   src = fetchurl {
     url = "mirror://gnome/sources/${pname}/${stdenv.lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
     sha256 = "1yg6r0srz3knhgvplprl3pikrq5c02dmdxgfwcynd6hjih9h16hb";