diff --git a/net/restic-rest-server/Makefile b/net/restic-rest-server/Makefile
index 036d6d3181..87288f20fb 100644
--- a/net/restic-rest-server/Makefile
+++ b/net/restic-rest-server/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=restic-rest-server
 PKG_VERSION:=0.9.7
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_BUILD_DIR:=$(BUILD_DIR)/rest-server-$(PKG_VERSION)
 PKG_SOURCE:=rest-server-$(PKG_VERSION).tar.gz
@@ -33,6 +33,10 @@ define Package/restic-rest-server
   CATEGORY:=Network
 endef
 
+define Package/restic-rest-server/conffiles
+/etc/config/restic-rest-server
+endef
+
 define Package/restic-rest-server/description
 Rest Server is a high performance HTTP server that implements restic's REST backend
 API. It provides secure and efficient way to backup data remotely, using restic
diff --git a/utils/device-observatory/Makefile b/utils/device-observatory/Makefile
index dc6d33a88c..536d36a969 100644
--- a/utils/device-observatory/Makefile
+++ b/utils/device-observatory/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=device-observatory
 PKG_VERSION:=1.2.0
-PKG_RELEASE:=5
+PKG_RELEASE:=6
 
 PKG_SOURCE_URL:=https://codeload.github.com/mwarning/device-observatory/tar.gz/v$(PKG_VERSION)?
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
@@ -22,6 +22,10 @@ define Package/device-observatory
 	DEPENDS:=+iw +libpcap +libmicrohttpd
 endef
 
+define Package/device-observatory/conffiles
+/etc/config/device-observatory
+endef
+
 define Package/device-observatory/description
 	Show information about connected devices and connections to increase security awareness.
 endef
diff --git a/utils/prometheus-statsd-exporter/Makefile b/utils/prometheus-statsd-exporter/Makefile
index 9f02cbb924..e9682a543b 100644
--- a/utils/prometheus-statsd-exporter/Makefile
+++ b/utils/prometheus-statsd-exporter/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=prometheus-statsd-exporter
 PKG_VERSION:=0.15.0
-PKG_RELEASE:=1
+PKG_RELEASE:=2
 
 PKG_SOURCE:=statsd_exporter-$(PKG_VERSION).tar.gz
 PKG_SOURCE_URL:=https://codeload.github.com/prometheus/statsd_exporter/tar.gz/v${PKG_VERSION}?
@@ -42,6 +42,7 @@ define Package/prometheus-statsd-exporter/install
 endef
 
 define Package/prometheus-statsd-exporter/conffiles
+/etc/config/prometheus-statsd-exporter
 /etc/prometheus-statsd-exporter.yml
 endef