diff --git a/security/mac/hardenedruntime/production/firefox.browser.xml b/security/mac/hardenedruntime/production/firefox.browser.xml
index abbf33e9d2b3c9d1e0a34bd46e7cd289c435533b..d580b156fed13f4de8eb73e5c29c646a7a22a1d2 100644
--- a/security/mac/hardenedruntime/production/firefox.browser.xml
+++ b/security/mac/hardenedruntime/production/firefox.browser.xml
@@ -26,7 +26,7 @@
 
     <!-- Required for com.apple.developer.web-browser.public-key-credential -->
     <key>com.apple.application-identifier</key>
-    <string>43AQ936H96.org.mozilla.firefox</string>
+    <string>9V5K9TP787.app.zen-browser.zen</string>
 
     <!-- For platform passkey (webauthn) support -->
     <key>com.apple.developer.web-browser.public-key-credential</key><true/>
