diff --git a/Gemfile.lock b/Gemfile.lock
index 4b7506d..d032d5a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -15,7 +15,7 @@ GEM
     puma (4.3.8)
       nio4r (~> 2.0)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.3.1)
     rack-protection (2.0.7)
       rack
     sinatra (2.0.7)