diff --git a/go.mod b/go.mod
index 76902c2..85b7dba 100644
--- a/go.mod
+++ b/go.mod
@@ -12,10 +12,11 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/spf13/afero v1.2.0
 	github.com/tcnksm/ghr v0.13.0 // indirect
+	github.com/ulikunitz/xz v0.5.10 // indirect
 	github.com/urfave/cli v1.20.0
 	github.com/x-motemen/gobump v0.2.0 // indirect
 	golang.org/x/crypto v0.0.0-20201016220609-9e8e0b390897 // indirect
 	golang.org/x/lint v0.0.0-20181217174547-8f45f776aaf1 // indirect
-	golang.org/x/tools v0.0.0-20201030010431-2feb2bb1ff51
+	golang.org/x/tools v0.0.0-20190117194123-b4b6fe2cb829
 	gopkg.in/yaml.v2 v2.2.2
 )
diff --git a/go.sum b/go.sum
index 9318013..6827291 100644
--- a/go.sum
+++ b/go.sum
@@ -114,10 +114,7 @@ github.com/tcnksm/go-gitconfig v0.1.2 h1:iiDhRitByXAEyjgBqsKi9QU4o2TNtv9kPP3RgPg
 github.com/tcnksm/go-gitconfig v0.1.2/go.mod h1:/8EhP4H7oJZdIPyT+/UIsG87kTzrzM4UsLGSItWYCpE=
 github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e h1:IWllFTiDjjLIf2oeKxpIUmtiDV5sn71VgeQgg6vcE7k=
 github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e/go.mod h1:d7u6HkTYKSv5m6MCKkOQlHwaShTMl3HjqSGW3XtVhXM=
-github.com/ulikunitz/xz v0.5.5 h1:pFrO0lVpTBXLpYw+pnLj6TbvHuyjXMfjGeCwSqCVwok=
-github.com/ulikunitz/xz v0.5.5/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
-github.com/ulikunitz/xz v0.5.6 h1:jGHAfXawEGZQ3blwU5wnWKQJvAraT7Ftq9EXjnXYgt8=
-github.com/ulikunitz/xz v0.5.6/go.mod h1:2bypXElzHzzJZwzH67Y6wb67pO62Rzfn7BSiF4ABRW8=
+github.com/ulikunitz/xz v0.5.10/go.mod h1:nbz6k7qbPmH4IRqmfOplQw/tblSgqTqBwxkY0oWt/14=
 github.com/urfave/cli v1.20.0 h1:fDqGv3UG/4jbVl/QkFwEdddtEDjh/5Ov6X+0B/3bPaw=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/x-motemen/gobump v0.2.0 h1:gLsNbywrLFBESr6UuqFdgmMZtcFHnlYPRpWBhBycLvI=
@@ -172,10 +169,13 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f h1:+Nyd8tzPX9R7BWHguqsrbFdRx
 golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3 h1:cokOdA+Jmi5PJGXLlLllQSgYigAEfHXJAERHVMaCc2k=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20190117194123-b4b6fe2cb829 h1:KcPVP+aI5SiGLwOwXeTvG2jj4X5HHZwPkZw3Io0zgOM=
+golang.org/x/tools v0.0.0-20190117194123-b4b6fe2cb829/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190124215303-cc6a436ffe6b h1:QhDb4isMLF+1hiAgAqj1YPRPQh+eAqwfG6wJzp57Iuo=
 golang.org/x/tools v0.0.0-20190124215303-cc6a436ffe6b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190128232029-0a99049195af h1:Wx+ooEDVfYpFCdHW8plwPeyrPPbRdlgc6mdqeW/IUAE=