diff --git a/Gemfile.lock b/Gemfile.lock
index 5876c21..6994d7d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,8 @@ GEM
     globalid (0.3.7)
       activesupport (>= 4.1.0)
     hashie (3.4.6)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.3)
     jwt (1.5.6)
     loofah (2.0.3)