diff --git a/Gemfile.lock b/Gemfile.lock
index 924cb39..20ce6df 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -133,7 +133,7 @@ GEM
     pry-rails (0.3.4)
       pry (>= 0.9.10)
     puma (3.6.0)
-    rack (2.0.1)
+    rack (2.1.4)
     rack-cors (0.4.0)
     rack-test (0.6.3)
       rack (>= 1.0)