diff --git a/website/docs/Gemfile.lock b/website/docs/Gemfile.lock
index 9ae80d5..22709e1 100644
--- a/website/docs/Gemfile.lock
+++ b/website/docs/Gemfile.lock
@@ -90,7 +90,7 @@ GEM
     parallel (1.19.2)
     ptools (1.4.0)
     public_suffix (4.0.6)
-    rack (2.1.4)
+    rack (2.1.4.1)
     rack-contrib (1.2.0)
       rack (>= 0.9.1)
     rb-fsevent (0.10.4)