diff --git a/Gemfile.lock b/Gemfile.lock
index 482eafb..61223bc 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -84,7 +84,7 @@ GEM
       pry (~> 0.13.0)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.6.4)
     rack-ougai (0.2.1)
       ougai (~> 1.5)
       rack (~> 2.0)