diff --git a/Gemfile.lock b/Gemfile.lock
index 5ed4341..3c153ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -68,7 +68,8 @@ GEM
       thor (~> 0.14)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.4.1)
       activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)