diff --git a/Gemfile.lock b/Gemfile.lock
index f9cc355..50c7b89 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -97,7 +97,7 @@ GEM
       racc (~> 1.4)
     optimist (3.0.1)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.1.3.1)