diff --git a/Gemfile.lock b/Gemfile.lock
index e76b8b0..f8cfc98 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -143,7 +143,7 @@ GEM
       json_schema (~> 0.3, >= 0.3.1)
     public_suffix (4.0.6)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-livereload (0.3.17)
       rack
     rake (13.0.3)