diff --git a/Gemfile.lock b/Gemfile.lock
index ddcd7c8..2f4e9e9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -92,7 +92,7 @@ GEM
       pry (>= 0.9.10, < 0.15)
     public_suffix (4.0.7)
     racc (1.6.2)
-    rack (2.2.3.1)
+    rack (2.2.20)
     rack-protection (2.2.0)
       rack
     rake (13.0.6)