diff --git a/Gemfile.lock b/Gemfile.lock
index c7d95c3..078b937 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -41,7 +41,7 @@ GEM
       pry (~> 0.10)
     puma (4.3.1)
       nio4r (~> 2.0)
-    rack (2.1.2)
+    rack (2.2.3.1)
     rack-protection (2.0.8.1)
       rack
     rack-test (1.1.0)