diff --git a/Gemfile.lock b/Gemfile.lock
index 9fd93f6..3e4a086 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,7 +43,7 @@ GEM
     mysql (2.8.1)
     pg (0.9.0)
     polyglot (0.3.1)
-    rack (1.2.1)
+    rack (1.2.8)
     rack-mount (0.6.9)
       rack (>= 1.0.0)
     rack-test (0.5.4)