diff --git a/Casks/knockknock.rb b/Casks/knockknock.rb
index 346258a363..03564ff328 100644
--- a/Casks/knockknock.rb
+++ b/Casks/knockknock.rb
@@ -2,8 +2,8 @@ cask "knockknock" do
   version "2.1.1"
   sha256 "c3293e6f6524b557246a9c5e06a1fb2eb3f49be2297fe671d0fa8fca7aa142fa"
 
-  # bitbucket.org/objective-see/ was verified as official when first introduced to the cask
-  url "https://bitbucket.org/objective-see/deploy/downloads/KnockKnock_#{version}.zip"
+  url "https://bitbucket.org/objective-see/deploy/downloads/KnockKnock_#{version}.zip",
+      verified: "bitbucket.org/objective-see/"
   appcast "https://objective-see.com/products/changelogs/KnockKnock.txt"
   name "KnockKnock"
   desc "Tool to show what is persistently installed on the computer"