diff --git a/Gemfile.lock b/Gemfile.lock
index 0697057..2978ee4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -206,7 +206,7 @@ GEM
       method_source (~> 0.9.0)
     public_suffix (4.0.6)
     racc (1.6.0)
-    rack (2.2.3.1)
+    rack (2.2.8.1)
     rake (13.0.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)