diff --git a/Gemfile.lock b/Gemfile.lock
index c4fab179bf..83906a1361 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -112,7 +112,7 @@ GEM
       pry (>= 0.13, < 0.15)
     public_suffix (5.0.1)
     racc (1.6.2)
-    rack (2.2.6.2)
+    rack (2.2.6.4)
     rack-livereload (0.3.17)
       rack
     rainbow (3.1.1)