diff --git a/_site/Gemfile.lock b/_site/Gemfile.lock
index 757743e..a158f94 100644
--- a/_site/Gemfile.lock
+++ b/_site/Gemfile.lock
@@ -106,7 +106,7 @@ GEM
       middleware
       thor
       thread_safe
-    rack (1.6.4)
+    rack (1.6.11)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.7.1)