diff --git a/Gemfile.lock b/Gemfile.lock
index ee047bd..c0154da 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -115,7 +115,7 @@ GEM
     pg (1.1.4)
     puma (4.3.0)
       nio4r (~> 2.0)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-cors (1.0.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)