diff --git a/scripts/firefox.sh b/scripts/firefox.sh
index 2a4475b..273a7f7 100755
--- a/scripts/firefox.sh
+++ b/scripts/firefox.sh
@@ -35,6 +35,10 @@ help() {
 Package: *
 Pin: origin packages.mozilla.org
 Pin-Priority: 1000
+
+Package: firefox*
+Pin: release o=Ubuntu
+Pin-Priority: -1
       ' | sudo tee /etc/apt/preferences.d/mozilla
       sudo apt update && sudo apt install firefox
       ;;