diff --git a/Gemfile.lock b/Gemfile.lock
index 7e4aa50..6b0d500 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -71,7 +71,7 @@ GEM
       mini_portile2 (~> 2.5.0)
       racc (~> 1.4)
     racc (1.5.2)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-test (1.0.0)
       rack (>= 1.0, < 3)
     rails (5.2.0)