diff --git a/Gemfile.lock b/Gemfile.lock
index 9bd3285..76f3162 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -89,7 +89,7 @@ GEM
     psych (4.0.4)
       stringio
     racc (1.6.1)
-    rack (2.2.4)
+    rack (2.2.6.3)
     rake (13.0.6)
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)