diff --git a/Gemfile.lock b/Gemfile.lock
index 471ba39..cae7a12 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -178,7 +178,7 @@ GEM
     polyamorous (2.3.2)
       activerecord (>= 5.2.1)
     puma (3.12.1)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-cors (1.0.5)
       rack (>= 1.6.0)
     rack-test (1.1.0)