diff --git a/Gemfile.lock b/Gemfile.lock
index c35cab9..1ca0444 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -101,7 +101,7 @@ GEM
     nokogiri (1.10.8)
       mini_portile2 (~> 2.4.0)
     protocol-redis (0.5.0)
-    rack (2.1.1)
+    rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
     rails (6.0.2.1)