diff --git a/Gemfile.lock b/Gemfile.lock
index c0289b6..1694c53 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -107,7 +107,7 @@ GEM
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
     racc (1.6.2)
-    rack (3.0.6.1)
+    rack (3.0.9.1)
     rainbow (3.1.1)
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)