diff --git a/Gemfile.lock b/Gemfile.lock
index 8b7025c..72d2bff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -197,7 +197,7 @@ GEM
       websocket-driver (>= 0.2.0)
     public_suffix (3.0.0)
     puma (3.10.0)
-    rack (2.0.3)
+    rack (2.2.3)
     rack-protection (2.0.0)
       rack
     rack-test (0.6.3)