diff --git a/octopress/Gemfile.lock b/octopress/Gemfile.lock
index 5060be1..d5f3944 100644
--- a/octopress/Gemfile.lock
+++ b/octopress/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
     pygments.rb (0.2.13)
       rubypython (~> 0.5.3)
     rack (1.4.1)
-    rack-protection (1.2.0)
+    rack-protection (1.5.5)
       rack
     rake (0.9.2.2)
     rb-fsevent (0.9.1)