diff --git a/6_Polish.sh b/6_Polish.sh
index 25ad98e..ff46abf 100755
--- a/6_Polish.sh
+++ b/6_Polish.sh
@@ -16,6 +16,11 @@ sudo ufw enable
 # Flatpak Flathub-Repo hinzufügen
 sudo flatpak remote-add --if-not-exists flathub https://dl.flathub.org/repo/flathub.flatpakrepo
 
+# Portmaster installieren
+wget -O /tmp/portmaster-installer.deb https://updates.safing.io/latest/linux_amd64/packages/portmaster-installer.deb
+sudo apt install -y /tmp/portmaster-installer.deb
+rm /tmp/portmaster-installer.deb
+
 # Waterfox-Installation
 echo "🌍 Waterfox wird installiert..."
 sudo install -d -m 0755 /etc/apt/keyrings