diff --git a/Gemfile.lock b/Gemfile.lock
index 0475642..f954bb3 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -31,7 +31,7 @@ GEM
     open4 (1.3.4)
     puma (4.3.12)
       nio4r (~> 2.0)
-    rack (2.0.6)
+    rack (2.2.8.1)
     rack-protection (2.0.3)
       rack
     rb-fsevent (0.10.3)