diff --git a/Gemfile.lock b/Gemfile.lock
index 8f07c4a..4ed93f0 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -32,7 +32,7 @@ GEM
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
-    rack (3.0.0)
+    rack (3.1.21)
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.6.0)