diff --git a/Gemfile.lock b/Gemfile.lock
index 91691e3..805f2ed 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -56,7 +56,7 @@ GEM
     net-scp (2.0.0)
       net-ssh (>= 2.6.5, < 6.0.0)
     net-ssh (4.2.0)
-    rack (2.1.1)
+    rack (2.2.6.4)
     rake (10.1.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)