diff --git a/.SRCINFO b/.SRCINFO
index 468764a..73a20de 100644
--- a/.SRCINFO
+++ b/.SRCINFO
@@ -1,13 +1,14 @@
 pkgbase = prometheus-x509-certificate-exporter
 	pkgdesc = metric exporter for x509 certificates
 	pkgver = 3.6.0
-	pkgrel = 4
+	pkgrel = 5
 	url = https://github.com/enix/x509-certificate-exporter
 	arch = armv7h
 	arch = aarch64
 	arch = x86_64
 	license = MIT
 	makedepends = go
+	backup = etc/conf.d/prometheus-x509-certificate-exporter
 	source = https://github.com/enix/x509-certificate-exporter/archive/refs/tags/v3.6.0.zip
 	source = prometheus-x509-certificate-exporter
 	source = systemd.service
diff --git a/PKGBUILD b/PKGBUILD
index ec90193..5a54901 100644
--- a/PKGBUILD
+++ b/PKGBUILD
@@ -3,12 +3,16 @@
 pkgname=prometheus-x509-certificate-exporter
 _pkgname=x509-certificate-exporter
 pkgver=3.6.0
-pkgrel=4
+pkgrel=5
 pkgdesc="metric exporter for x509 certificates"
 arch=('armv7h' 'aarch64' 'x86_64')
 url="https://github.com/enix/$_pkgname"
 license=('MIT')
 makedepends=('go')
+backup=(
+  etc/conf.d/prometheus-x509-certificate-exporter
+)
+
 source=(
   "$url/archive/refs/tags/v$pkgver.zip"
   'prometheus-x509-certificate-exporter'