diff --git a/Gemfile.lock b/Gemfile.lock
index 76311b2..413e5eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,5 +1,5 @@
 GEM
-  remote: http://rubygems.org/
+  remote: https://rubygems.org/
   specs:
     activemodel (3.2.2)
       activesupport (= 3.2.2)
@@ -14,10 +14,12 @@ GEM
       multi_json (~> 1.0)
     arel (3.0.2)
     builder (3.0.0)
+    concurrent-ruby (1.1.10)
     daemons (1.1.4)
     diff-lcs (1.1.3)
     eventmachine (0.12.10)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.6.3)
     multi_json (1.1.0)
     rack (1.4.1)