diff --git a/Gemfile.lock b/Gemfile.lock
index c16ca65..524b573 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -33,7 +33,7 @@ GEM
       multi_json (~> 1.0)
     addressable (2.2.6)
     ansi (1.3.0)
-    arel (2.1.5)
+    arel (2.1.4)
     bcrypt-ruby (2.1.4)
     bcrypt-ruby (2.1.4-java)
     bouncy-castle-java (1.5.0146.1)