diff --git a/etc/firefox/policies.json b/etc/firefox/policies.json
new file mode 100644
index 0000000..7f2ab75
--- /dev/null
+++ b/etc/firefox/policies.json
@@ -0,0 +1,14 @@
+{
+ "policies": {
+    "3rdparty": {
+      "Extensions": {
+        "{446900e4-71c2-419f-a6a7-df9c091e268b}": {
+          "environment": {
+            "base": "https://tresor.strobel.one"
+          }
+        }
+      }
+    },
+    "PasswordManagerEnabled": false
+  }
+}
diff --git a/install.sh b/install.sh
index 794f1cf..ce5cd9e 100755
--- a/install.sh
+++ b/install.sh
@@ -341,6 +341,7 @@ install -Dpm644 "$DIR/etc/iwd/main.conf" /etc/iwd/main.conf
 install -Dpm644 "$DIR/etc/reflector.conf" /etc/xdg/reflector/reflector.conf
 install -Dpm644 "$DIR/etc/bluetooth.conf" /etc/bluetooth/main.conf
 install -Dpm644 "$DIR/etc/snapper-root.conf" /etc/snapper/configs/root
+install -Dpm644 "$DIR/etc/firefox/policies.json" /etc/firefox/policies/policies.json
 
 # Global font configuration
 for file in 10-hinting-slight 10-sub-pixel-rgb 11-lcdfilter-default; do