diff --git a/Gemfile.lock b/Gemfile.lock
index b922373..159106c 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -61,7 +61,7 @@ GEM
       method_source (~> 1.0)
     public_suffix (5.1.1)
     racc (1.8.1)
-    rack (3.1.17)
+    rack (3.1.18)
     rainbow (3.1.1)
     rake (13.2.1)
     regexp_parser (2.9.2)