diff --git a/Gemfile.lock b/Gemfile.lock
index 4025316..81b8484 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -86,7 +86,7 @@ GEM
     pg (0.20.0)
     powerpack (0.1.1)
     puma (3.8.2)
-    rack (2.0.1)
+    rack (2.2.3)
     rack-cors (0.4.1)
     rack-test (0.6.3)
       rack (>= 1.0)