diff --git a/Gemfile.lock b/Gemfile.lock
index bcd0a72..fef6c08 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -55,10 +55,10 @@ GEM
     json (1.6.5)
     json_pure (1.6.5)
     multi_json (1.0.4)
-    rack (1.4.1)
+    rack (1.6.11)
     rack-flash (0.1.2)
       rack
-    rack-protection (1.2.0)
+    rack-protection (1.5.5)
       rack
     sinatra (1.3.2)
       rack (~> 1.3, >= 1.3.6)