Update deps

go.mod

@@ -11,12 +11,13 @@ require (
 	github.com/google/gopacket v1.1.19
 	github.com/hashicorp/go-multierror v1.1.1
 	github.com/hashicorp/go-version v1.4.0
+	github.com/kardianos/osext v0.0.0-20190222173326-2bc1f35cddc0 // indirect
 	github.com/mdlayher/netlink v1.6.0 // indirect
 	github.com/mdlayher/socket v0.2.0 // indirect
 	github.com/miekg/dns v1.1.46
 	github.com/oschwald/maxminddb-golang v1.8.0
-	github.com/safing/portbase v0.13.5
-	github.com/safing/spn v0.4.0
+	github.com/safing/portbase v0.13.6
+	github.com/safing/spn v0.4.1
 	github.com/shirou/gopsutil v3.21.11+incompatible
 	github.com/spf13/cobra v1.3.0
 	github.com/stretchr/testify v1.7.0