diff --git a/Gemfile.lock b/Gemfile.lock
index a1dc768..1fba3a3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,12 +41,14 @@ GEM
       multi_json (~> 1.0)
     arel (3.0.2)
     builder (3.0.0)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.1.3)
     erubis (2.7.0)
     execjs (1.4.0)
       multi_json (~> 1.0)
     hike (1.2.1)
-    i18n (0.6.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     journey (1.0.4)
     json (1.7.3)
     mail (2.4.4)