diff --git a/Gemfile.lock b/Gemfile.lock
index ea051b3..4bb5c0c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,10 +180,10 @@ GEM
       coderay (~> 1.0.5)
       method_source (~> 0.8)
       slop (~> 3.4)
-    rack (1.4.5)
+    rack (1.4.7)
     rack-cache (1.2)
       rack (>= 0.4)
-    rack-protection (1.5.0)
+    rack-protection (1.5.5)
       rack
     rack-ssl (1.3.3)
       rack