diff --git a/Gemfile.lock b/Gemfile.lock
index 22e2909..83be543 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -139,7 +139,7 @@ GEM
     public_suffix (4.0.1)
     puma (4.3.1)
       nio4r (~> 2.0)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-protection (2.0.7)
       rack
     rainbow (3.0.0)