diff --git a/Gemfile.lock b/Gemfile.lock
index cfab4c4..87db65e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -110,7 +110,7 @@ GEM
     nokogiri (1.10.3)
       mini_portile2 (~> 2.4.0)
     puma (3.12.1)
-    rack (2.0.7)
+    rack (2.2.3)
     rack-pjax (1.1.0)
       nokogiri (~> 1.5)
       rack (>= 1.1)