diff --git a/pkgs/development/ruby-modules/gem-config/default.nix b/pkgs/development/ruby-modules/gem-config/default.nix
index 8bc22d9c9a7f..e28f5d85a6b0 100644
--- a/pkgs/development/ruby-modules/gem-config/default.nix
+++ b/pkgs/development/ruby-modules/gem-config/default.nix
@@ -275,6 +275,10 @@ in
     ] ++ lib.optional stdenv.isDarwin "--with-iconv-dir=${libiconv}";
   };
 
+  ovirt-engine-sdk = attrs: {
+    buildInputs = [ curl libxml2 ];
+  };
+
   pango = attrs: {
     nativeBuildInputs = [ pkgconfig ];
     buildInputs = [ gtk2 xorg.libXdmcp pcre xorg.libpthreadstubs ];