diff --git a/Gemfile.lock b/Gemfile.lock
index df09f5b..4fa2d24 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
     polyamorous (0.5.0)
       activerecord (~> 3.0)
     polyglot (0.3.3)
-    rack (1.4.1)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
     rack-ssl (1.3.2)