diff --git a/Gemfile.lock b/Gemfile.lock
index e54f112..9f6af87 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -54,6 +54,7 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
+    concurrent-ruby (1.1.10)
     diff-lcs (1.2.5)
     docile (1.1.5)
     erubis (2.7.0)
@@ -63,7 +64,8 @@ GEM
       i18n (~> 0.5)
     globalid (0.3.6)
       activesupport (>= 4.1.0)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     json (1.8.3)
     loofah (2.0.2)
       nokogiri (>= 1.5.9)