diff --git a/web/Gemfile.lock b/web/Gemfile.lock
index 5278195..0307458 100644
--- a/web/Gemfile.lock
+++ b/web/Gemfile.lock
@@ -9,7 +9,8 @@ GEM
     concurrent-ruby (1.0.2)
     daemons (1.2.3)
     hash-deep-merge (0.1.1)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     minitest (5.9.0)
     multi_json (1.12.1)
     power_assert (0.3.0)