diff --git a/go.mod b/go.mod
index d23e70b55e4f4bd312056cb97828aeedb9bf68a4..a560565435a5b0ec84cc610123c77bfe02efa4b7 100644
--- a/go.mod
+++ b/go.mod
@@ -17,6 +17,7 @@ require (
 	github.com/hashicorp/golang-lru v0.5.4 // indirect
 	github.com/icrowley/fake v0.0.0-20180203215853-4178557ae428
 	github.com/mattn/go-isatty v0.0.12
+	github.com/mattn/go-runewidth v0.0.8
 	github.com/phayes/freeport v0.0.0-20171002181615-b8543db493a5
 	github.com/pkg/errors v0.9.1
 	github.com/shurcooL/githubv4 v0.0.0-20190601194912-068505affed7
diff --git a/go.sum b/go.sum
index 27b2820e55c6e0b7ea537b70fb3e34c1a4f6cc5e..094ab9620dde47ba3905c9a8108bee758d836148 100644
--- a/go.sum
+++ b/go.sum
@@ -121,6 +121,8 @@ github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Ky
 github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/mattn/go-runewidth v0.0.6 h1:V2iyH+aX9C5fsYCpK60U8BYIvmhqxuOL3JZcqc1NB7k=
 github.com/mattn/go-runewidth v0.0.6/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-runewidth v0.0.8 h1:3tS41NlGYSmhhe/8fhGRzc+z3AYCw1Fe1WAyLuujKs0=
+github.com/mattn/go-runewidth v0.0.8/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 github.com/matttproud/golang_protobuf_extensions v1.0.1/go.mod h1:D8He9yQNgCq6Z5Ld7szi9bcBfOoFv/3dc6xSMkL2PC0=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/mapstructure v0.0.0-20180203102830-a4e142e9c047/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=