diff --git a/Gemfile.lock b/Gemfile.lock
index 92400ab..951bc85 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -134,7 +134,7 @@ GEM
     public_suffix (3.1.1)
     racc (1.5.2)
     racc (1.5.2-java)
-    rack (2.2.3)
+    rack (2.2.6.2)
     rack-livereload (0.3.17)
       rack
     rack-test (0.6.3)