diff --git a/Gemfile.lock b/Gemfile.lock
index 49f2944..3dc2398 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     public_suffix (3.0.3)
-    rack (1.6.10)
+    rack (1.6.11)
     rake (12.3.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.9.10)