diff --git a/Gemfile.lock b/Gemfile.lock
index 1d1133f..42d89b3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -219,7 +219,8 @@ GEM
       activesupport (>= 4.1.0)
     http-cookie (1.0.2)
       domain_name (~> 0.5)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     inflecto (0.0.2)
     ipaddress (0.8.2)
     jbuilder (2.4.0)