diff --git a/Gemfile.lock b/Gemfile.lock
index a9e41d2..5de9a19 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -87,7 +87,7 @@ GEM
     pygments.rb (0.6.3)
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
-    rack (2.0.6)
+    rack (3.0.7)
     rake (10.4.2)
     rb-fsevent (0.9.6)
     rb-inotify (0.9.5)