diff --git a/advanced/pihole-update.service b/advanced/pihole-update.service
new file mode 100644
index 0000000..5333a89
--- /dev/null
+++ b/advanced/pihole-update.service
@@ -0,0 +1,6 @@
+[Unit]
+Description=Raspberry Pi Ad Blocker
+
+[Service]
+Type=simple
+ExecStart=/usr/local/bin/gravity.sh
diff --git a/advanced/pihole-update.timer b/advanced/pihole-update.timer
new file mode 100644
index 0000000..da96189
--- /dev/null
+++ b/advanced/pihole-update.timer
@@ -0,0 +1,11 @@
+[Unit]
+Description=Raspberry Pi Ad Blocker
+
+[Timer]
+# Time to wait after boot
+OnBootSec=10min
+# Time to wait for ongoing script executions
+OnUnitActiveSec=1w
+
+[Install]
+WantedBy=timers.target