diff --git a/Gemfile.lock b/Gemfile.lock
index 4416672..5bb6b49 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -116,7 +116,7 @@ GEM
     ptools (1.3.3)
     public_suffix (4.0.5)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rb-fsevent (0.10.4)
     rb-inotify (0.10.1)
       ffi (~> 1.0)