diff --git a/Gemfile.lock b/Gemfile.lock
index 570a774..4120981 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -20,7 +20,8 @@ GEM
     dotenv (2.1.1)
     faraday (0.15.2)
       multipart-post (>= 1.2, < 3)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     mem (0.1.5)
     method_source (0.8.2)
     minitest (5.9.0)