udpate deps

Makefile

@@ -28,7 +28,7 @@ deps:
 devel-deps: deps
 	@for tool in $(EXTERNAL_TOOLS) ; do \
       echo "Installing $$tool" ; \
-      GO111MODULE=off go get $$tool; \
+      go install $$tool@latest; \
     done
 
 # build generate binary on './bin' directory.

go.mod

@@ -1,18 +1,23 @@
 module github.com/tcnksm/ghr
 
-go 1.12
+go 1.16
 
 require (
 	github.com/Songmu/retry v0.1.0
+	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/go-github v17.0.0+incompatible
-	github.com/google/go-querystring v1.0.0 // indirect
-	github.com/hashicorp/go-version v1.2.0 // indirect
-	github.com/mattn/go-colorable v0.1.1
+	github.com/google/go-querystring v1.1.0 // indirect
+	github.com/hashicorp/go-version v1.3.0 // indirect
+	github.com/mattn/go-colorable v0.1.8
+	github.com/mattn/go-isatty v0.0.13 // indirect
 	github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db
 	github.com/onsi/gomega v1.5.0 // indirect
-	github.com/pkg/errors v0.8.1
+	github.com/pkg/errors v0.9.1
 	github.com/tcnksm/go-gitconfig v0.1.2
 	github.com/tcnksm/go-latest v0.0.0-20170313132115-e3007ae9052e
-	golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a
-	golang.org/x/sync v0.0.0-20190423024810-112230192c58
+	golang.org/x/net v0.0.0-20210614182718-04defd469f4e // indirect
+	golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c
+	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
+	golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
 )