diff --git a/Gemfile.lock b/Gemfile.lock
index 03e67a7d..89aef018 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1952,7 +1952,8 @@ GEM
       railties (>= 3.1)
     multi_xml (0.6.0)
     multipart-post (2.4.1)
-    mysql2 (0.5.6)
+    mysql2 (0.5.7)
+      bigdecimal
     nenv (0.3.0)
     net-http-persistent (4.0.5)
       connection_pool (~> 2.2)