diff --git a/Gemfile.lock b/Gemfile.lock
index 6afaa62d..42225e15 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -102,7 +102,8 @@ GEM
     httparty (0.21.0)
       mini_mime (>= 1.0.0)
       multi_xml (>= 0.5.2)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jmespath (1.3.1)
     jquery-rails (4.1.1)
       rails-dom-testing (>= 1, < 3)