diff --git a/build/msgpack/1.5.2 b/build/msgpack/1.5.2 new file mode 100644 index 00000000..e69de29b diff --git a/build/yajl-ruby/1.4.3 b/build/yajl-ruby/1.4.3 new file mode 100644 index 00000000..e69de29b