diff --git a/README.md b/README.md
index 3ad4da3..187dbe9 100644
--- a/README.md
+++ b/README.md
@@ -35,3 +35,26 @@ GITEA_RUNNER_VERSION=1.0.2 ./build.sh
 The script downloads the Linux `amd64` and `arm64` release artifacts, verifies their SHA256 checksums, builds `.deb` packages, moves them into `../gitea-runner-deb`, regenerates `Packages`, `Packages.gz`, and `Release`, then commits the release repo changes locally.
 
 It does not push either repository.
+
+## Systemd Timer
+
+Install and enable the nightly build timer:
+
+```bash
+cp systemd/gitea-runner-build.service /etc/systemd/system/
+cp systemd/gitea-runner-build.timer /etc/systemd/system/
+systemctl daemon-reload
+systemctl enable --now gitea-runner-build.timer
+```
+
+Check the timer:
+
+```bash
+systemctl list-timers gitea-runner-build.timer
+```
+
+Run the build manually through systemd:
+
+```bash
+systemctl start gitea-runner-build.service
+```
diff --git a/systemd/gitea-runner-build.service b/systemd/gitea-runner-build.service
new file mode 100644
index 0000000..3171bd0
--- /dev/null
+++ b/systemd/gitea-runner-build.service
@@ -0,0 +1,8 @@
+[Unit]
+Description=Build Gitea Runner Debian packages
+
+[Service]
+Type=oneshot
+WorkingDirectory=/home/users/tracer/gitea-runner-deb-builder
+ExecStart=/bin/bash /home/users/tracer/gitea-runner-deb-builder/wrapper.sh
+User=tracer
diff --git a/systemd/gitea-runner-build.timer b/systemd/gitea-runner-build.timer
new file mode 100644
index 0000000..791db5e
--- /dev/null
+++ b/systemd/gitea-runner-build.timer
@@ -0,0 +1,9 @@
+[Unit]
+Description=Run Gitea Runner build script nightly
+
+[Timer]
+OnCalendar=*-*-* 02:15:00
+Persistent=true
+
+[Install]
+WantedBy=timers.target