diff --git a/go.mod b/go.mod
index 7a5095a..b184690 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.14
 
 require (
 	github.com/beevik/ntp v0.2.0
-	github.com/gokrazy/internal v0.0.0-20200530170418-389acc6d0821
+	github.com/gokrazy/internal v0.0.0-20200531194636-d96421c60091
 	github.com/google/go-cmp v0.4.0 // indirect
 	github.com/google/gopacket v1.1.16
 	github.com/mdlayher/raw v0.0.0-20190303161257-764d452d77af
diff --git a/go.sum b/go.sum
index 6d620be..06b56fe 100644
--- a/go.sum
+++ b/go.sum
@@ -7,6 +7,8 @@ github.com/gokrazy/internal v0.0.0-20200407075822-660ad467b7c9 h1:x5jR/nNo4/kMSo
 github.com/gokrazy/internal v0.0.0-20200407075822-660ad467b7c9/go.mod h1:LA5TQy7LcvYGQOy75tkrYkFUhbV2nl5qEBP47PSi2JA=
 github.com/gokrazy/internal v0.0.0-20200530170418-389acc6d0821 h1:H8TFA9ZURF3PrJAhMCvG9uUDrxhrHtULYz4V6qPJcnc=
 github.com/gokrazy/internal v0.0.0-20200530170418-389acc6d0821/go.mod h1:LA5TQy7LcvYGQOy75tkrYkFUhbV2nl5qEBP47PSi2JA=
+github.com/gokrazy/internal v0.0.0-20200531194636-d96421c60091 h1:gP2Z4WgsQl35mlNf4kqYW0D8KnYMC4kdsczagvVKBbg=
+github.com/gokrazy/internal v0.0.0-20200531194636-d96421c60091/go.mod h1:LA5TQy7LcvYGQOy75tkrYkFUhbV2nl5qEBP47PSi2JA=
 github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
 github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gopacket v1.1.16 h1:u6Afvia5C5srlLcbTwpHaFW918asLYPxieziOaWwz8M=