diff --git a/Gemfile.lock b/Gemfile.lock
index 0e997fcc..e5c24ab3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -146,7 +146,7 @@ GEM
       public_suffix (>= 2.0.0, < 2.1)
     public_suffix (2.0.5)
     racc (1.6.0)
-    rack (2.2.4)
+    rack (2.2.20)
     rack-test (0.8.3)
       rack (>= 1.0, < 3)
     rake (12.3.3)