diff --git a/website/Gemfile.lock b/website/Gemfile.lock
index 6740bb5..2a07c60 100644
--- a/website/Gemfile.lock
+++ b/website/Gemfile.lock
@@ -10,8 +10,10 @@ GEM
       chunky_png (~> 1.2)
       fssm (>= 0.2.7)
       sass (~> 3.2.17)
+    concurrent-ruby (1.1.10)
     fssm (0.2.10)
-    i18n (0.6.9)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     multi_json (1.9.2)
     rack (1.5.2)
     rack-test (0.6.2)