diff --git a/Gemfile.lock b/Gemfile.lock
index 7df4acc..fd1afd8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -49,6 +49,7 @@ GEM
       thor (>= 0.14.0)
     arel (6.0.3)
     builder (3.2.2)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.2.5)
     docile (1.1.5)
     erubis (2.7.0)
@@ -61,7 +62,8 @@ GEM
     globalize (5.0.1)
       activemodel (>= 4.2.0, < 4.3)
       activerecord (>= 4.2.0, < 4.3)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.3)
     loofah (2.0.3)
       nokogiri (>= 1.5.9)