diff --git a/Gemfile.lock b/Gemfile.lock
index 874c693..15ae4c7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -70,7 +70,7 @@ GEM
     nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     puma (3.12.2)
-    rack (2.0.8)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.7.2)