diff --git a/Gemfile.lock b/Gemfile.lock
index e3b5d54..383b435 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -53,7 +53,7 @@ GEM
     nokogiri (1.10.9)
       mini_portile2 (~> 2.4.0)
     oj (3.10.6)
-    rack (2.2.3)
+    rack (2.2.6.3)
     rack-protection (2.0.8.1)
       rack
     rails-dom-testing (2.0.3)