diff --git a/go.mod b/go.mod
index 5726841..4d1c2dd 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 v0.0.0-20200407065509-37efc446ad44
+	github.com/gokrazy/internal v0.0.0-20200407075822-660ad467b7c9
 	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 75d1673..10d05e4 100644
--- a/go.sum
+++ b/go.sum
@@ -2,6 +2,9 @@ github.com/beevik/ntp v0.2.0 h1:sGsd+kAXzT0bfVfzJfce04g+dSRfrs+tbQW8lweuYgw=
 github.com/beevik/ntp v0.2.0/go.mod h1:hIHWr+l3+/clUnF44zdK+CWW7fO8dR5cIylAQ76NRpg=
 github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/gokrazy/internal v0.0.0-20200407065509-37efc446ad44/go.mod h1:LA5TQy7LcvYGQOy75tkrYkFUhbV2nl5qEBP47PSi2JA=
+github.com/gokrazy/internal v0.0.0-20200407075822-660ad467b7c9 h1:x5jR/nNo4/kMSoNo/nwa2xbL7PN1an8S3oIn4OZJdec=
+github.com/gokrazy/internal v0.0.0-20200407075822-660ad467b7c9/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=