diff --git a/.config/setup/03-install-cron-jobs.sh b/.config/setup/03-install-cron-jobs.sh
index 5b29075..829ad9b 100755
--- a/.config/setup/03-install-cron-jobs.sh
+++ b/.config/setup/03-install-cron-jobs.sh
@@ -1,4 +1,7 @@
 #! /usr/bin/sh
 
+# keep-sorted start
 systemctl --user enable --now backup.timer
 systemctl --user enable --now sync-backup.timer
+systemctl --user enable --now sync-git-repos.timer
+# keep-sorted end
diff --git a/.config/systemd/user/sync-git-repos.service b/.config/systemd/user/sync-git-repos.service
new file mode 100644
index 0000000..248a645
--- /dev/null
+++ b/.config/systemd/user/sync-git-repos.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=Commit changes in local project repositories
+Wants=sync-git-repos.timer
+
+[Service]
+WorkingDirectory=%h
+ExecStart=%h/.local/bin/sync-git-repos
+
+[Install]
+WantedBy=default.target
diff --git a/.config/systemd/user/sync-git-repos.timer b/.config/systemd/user/sync-git-repos.timer
new file mode 100644
index 0000000..b395030
--- /dev/null
+++ b/.config/systemd/user/sync-git-repos.timer
@@ -0,0 +1,10 @@
+[Unit]
+Description=Periodic repository commit
+Requires=sync-git-repos.service
+
+[Timer]
+Unit=sync-git-repos.service
+OnCalendar=*:15,45
+
+[Install]
+WantedBy=timers.target