diff --git a/Gemfile.lock b/Gemfile.lock
index 440fa96..ea624eb 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -10,7 +10,8 @@ GEM
     concurrent-ruby (1.0.2)
     daemons (1.2.4)
     eventmachine (1.2.0.1)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     minitest (5.9.1)
     rack (2.0.1)
     thin (1.7.0)