diff --git a/Gemfile.lock b/Gemfile.lock
index b496fe51..149873f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -172,7 +172,7 @@ GEM
       posix-spawn (~> 0.3.6)
       yajl-ruby (~> 1.2.0)
     racc (1.6.0)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-livereload (0.3.17)
       rack
     rake (13.0.6)