diff --git a/.SRCINFO b/.SRCINFO
index 2d071b3..cdaaf1a 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,8 +1,9 @@
 pkgbase = hysteria
 	pkgdesc = A feature-packed network utility optimized for networks of poor quality
 	pkgver = 1.2.2
-	pkgrel = 1
+	pkgrel = 2
 	url = https://github.com/HyNetwork/hysteria
+	install = hysteria.install
 	arch = x86_64
 	license = GPL3
 	makedepends = go
diff --git a/PKGBUILD b/PKGBUILD
index 0673d38..e1fc984 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -3,13 +3,14 @@
 _pkgbase=hysteria
 pkgname=$_pkgbase
 pkgver=1.2.2
-pkgrel=1
+pkgrel=2
 pkgdesc='A feature-packed network utility optimized for networks of poor quality'
 arch=('x86_64')
 url="https://github.com/HyNetwork/hysteria"
 license=('GPL3')
 depends=('glibc')
 makedepends=('go' 'git')
+install=$_pkgbase.install
 source=("$_pkgbase"::"git+$url.git#tag=v$pkgver"
         hysteria@.service
         hysteria-server@.service
@@ -60,7 +61,4 @@ package() {
   # install systemd service
   install -Dm644 "$srcdir/hysteria@.service" "$pkgdir/usr/lib/systemd/system/hysteria@.service"
   install -Dm644 "$srcdir/hysteria-server@.service" "$pkgdir/usr/lib/systemd/system/hysteria-server@.service"
-
-  # install config directory
-  install -dm755 "$pkgdir/etc/hysteria"
 }
diff --git a/hysteria.install b/hysteria.install
new file mode 100644
index 0000000..6c7509a
--- /dev/null
+++ b/hysteria.install
@@ -0,0 +1,13 @@
+post_install() {
+  if [[ -d "/etc/hysteria" ]]; then
+    setfacl -m u:hysteria:rwx /etc/hysteria
+  else
+    # install config directory
+    install -dm755 /etc/hysteria
+    setfacl -m u:hysteria:rwx /etc/hysteria
+  fi
+}
+
+post_upgrade() {
+  post_install
+}