diff --git a/DefconCTF-2013/worsemedicine/Gemfile.lock b/DefconCTF-2013/worsemedicine/Gemfile.lock
index f3ee3244..48088c97 100644
--- a/DefconCTF-2013/worsemedicine/Gemfile.lock
+++ b/DefconCTF-2013/worsemedicine/Gemfile.lock
@@ -12,7 +12,7 @@ GEM
     multi_json (1.7.4)
     puma (2.0.1)
       rack (>= 1.1, < 2.0)
-    rack (1.5.2)
+    rack (1.6.13)
     rack-protection (1.5.0)
       rack
     rack-test (0.6.2)