diff --git a/Casks/little-snitch.rb b/Casks/little-snitch.rb
index 4c3df3620d3..c81dab221f3 100644
--- a/Casks/little-snitch.rb
+++ b/Casks/little-snitch.rb
@@ -50,6 +50,7 @@ cask 'little-snitch' do
       rmdir: '/Library/Application Support/Objective Development'
 
   caveats do
+    kext
     reboot
   end
 end
diff --git a/Casks/openzfs.rb b/Casks/openzfs.rb
index 8d78ff9962b..9aae7b5b207 100644
--- a/Casks/openzfs.rb
+++ b/Casks/openzfs.rb
@@ -40,4 +40,8 @@ cask 'openzfs' do
                       executable: "#{staged_path}/Docs & Scripts/uninstall-openzfsonosx.sh",
                       sudo:       true,
                     }
+
+  caveats do
+    kext
+  end
 end
diff --git a/Casks/virtualbox.rb b/Casks/virtualbox.rb
index b838b7102a3..0f29c045cef 100644
--- a/Casks/virtualbox.rb
+++ b/Casks/virtualbox.rb
@@ -28,4 +28,8 @@ cask 'virtualbox' do
                '~/Library/Saved Application State/org.virtualbox.app.VirtualBoxVM.savedState',
              ],
       rmdir: '~/VirtualBox VMs'
+
+  caveats do
+    kext
+  end
 end