diff --git a/Gemfile.lock b/Gemfile.lock
index a364d09..3f4daee 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
       mini_portile2 (~> 2.8.0)
       racc (~> 1.4)
     racc (1.6.1)
-    rack (2.2.4)
+    rack (2.2.6.4)
     rack-test (2.0.2)
       rack (>= 1.3)
     rails (5.2.8.1)