diff --git a/Gemfile.lock b/Gemfile.lock
index 5587115..7d57402 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,7 +57,8 @@ GEM
       multipart-post (>= 1.2, < 3)
     globalid (0.4.0)
       activesupport (>= 4.2.0)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.3)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)