diff --git a/.fpm_systemd b/.fpm_systemd
index 103023e2..402ed429 100644
--- a/.fpm_systemd
+++ b/.fpm_systemd
@@ -8,6 +8,7 @@
 --deb-field "Bug: https://github.com/SagerNet/sing-box/issues"
 --no-deb-generate-changes
 --config-files /etc/sing-box/config.json
+--after-install release/config/sing-box.postinst
 
 release/config/config.json=/etc/sing-box/config.json
 
diff --git a/release/config/sing-box.postinst b/release/config/sing-box.postinst
new file mode 100644
index 00000000..770dd22a
--- /dev/null
+++ b/release/config/sing-box.postinst
@@ -0,0 +1,3 @@
+#!/bin/sh
+
+systemd-sysusers sing-box.conf