diff --git a/Casks/private-internet-access.rb b/Casks/private-internet-access.rb
index 2b3d5676d89..a1d96270318 100644
--- a/Casks/private-internet-access.rb
+++ b/Casks/private-internet-access.rb
@@ -7,7 +7,8 @@ cask 'private-internet-access' do
   homepage 'https://www.privateinternetaccess.com'
   license :gratis
 
-  installer script: 'Private Internet Access Installer.app/Contents/MacOS/runner.sh'
+  installer script: 'Private Internet Access Installer.app/Contents/MacOS/runner.sh',
+            sudo:   true
 
   postflight do
     set_ownership '~/.pia_manager'