diff --git a/Gemfile.lock b/Gemfile.lock
index 18fddea..26a0a55 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,8 +30,8 @@ GEM
     mail (2.7.1)
       mini_mime (>= 0.1.1)
     mini_mime (1.0.2)
-    msgpack (1.3.1)
-    msgpack (1.3.1-java)
+    msgpack (1.8.2)
+    msgpack (1.8.2-java)
     mysql2 (0.5.2)
     optimist (3.0.0)
     ruby-progressbar (1.10.1)