diff --git a/Gemfile.lock b/Gemfile.lock
index 5c8919c..376f342 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -72,7 +72,7 @@ GEM
     orm_adapter (0.0.5)
     pg (0.11.0)
     polyglot (0.3.2)
-    rack (1.3.3)
+    rack (1.3.4)
     rack-cache (1.0.3)
       rack (>= 0.4)
     rack-contrib (1.1.0)