diff --git a/Gemfile.lock b/Gemfile.lock
index 7a010a6..71133e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -8,7 +8,7 @@ GEM
     nio4r (2.5.2)
     puma (4.3.5)
       nio4r (~> 2.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-protection (2.0.7)
       rack
     sinatra (2.0.7)