diff --git a/Gemfile.lock b/Gemfile.lock
index e67a933..359bb1e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -75,7 +75,7 @@ GEM
     padrino-helpers (0.10.7)
       i18n (~> 0.6)
       padrino-core (= 0.10.7)
-    rack (1.4.4)
+    rack (1.4.5)
     rack-protection (1.3.2)
       rack
     rack-test (0.6.2)