diff --git a/Gemfile.lock b/Gemfile.lock
index e1eb038..60f24ae 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -144,7 +144,7 @@ GEM
     psych (3.3.4)
     public_suffix (5.0.1)
     racc (1.8.1)
-    rack (2.2.14)
+    rack (2.2.18)
     rack-test (2.0.2)
       rack (>= 1.3)
     rails (6.0.6.1)