diff --git a/release/packages/ucl/local-unbound.ucl b/release/packages/ucl/dhclient.ucl
copy from release/packages/ucl/local-unbound.ucl
copy to release/packages/ucl/dhclient.ucl
--- a/release/packages/ucl/local-unbound.ucl
+++ b/release/packages/ucl/dhclient.ucl
@@ -16,12 +16,11 @@
  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-messages = [
-	{
-		type: upgrade
-		message: <<EOM
-After upgrading local-unbound, the configuration file should be regenerated
-by running "service local_unbound setup" before restarting the service.
-EOM
-	}
-]
+deps {
+	# dhclient uses resolvconf to update /etc/resolv.conf in case the
+	# DHCP server returns nameserver addresses.
+	"resolvconf" {
+		version = "${VERSION}"
+	},
+}
+
diff --git a/release/packages/ucl/local-unbound.ucl b/release/packages/ucl/local-unbound.ucl
--- a/release/packages/ucl/local-unbound.ucl
+++ b/release/packages/ucl/local-unbound.ucl
@@ -25,3 +25,11 @@
 EOM
 	}
 ]
+
+deps {
+	# local-unbound uses resolvconf to update resolv.conf and to generate
+	# its forward.conf.
+	"resolvconf" {
+		version = "${VERSION}"
+	},
+}