unknown field 'Execer' in struct literal of type gex.Config failed to build github.com/izumin5210/grapi/cmd/grapi: exit status 2

[rerost]

I can't use grapi

❯ cat go.mod
module github.com/rerost/XXX

go 1.13

require (
        github.com/izumin5210/gex v0.6.0
        github.com/izumin5210/grapi v0.5.0
)

❯ gex grapi gen
# github.com/izumin5210/grapi/pkg/protoc
../../../../pkg/mod/github.com/izumin5210/grapi@v0.5.0/pkg/protoc/providers.go:40:4: unknown field 'Execer' in struct literal of type gex.Config
failed to build github.com/izumin5210/grapi/cmd/grapi: exit status 2

❯ gex grapi
# github.com/izumin5210/grapi/pkg/protoc
../../../../pkg/mod/github.com/izumin5210/grapi@v0.5.0/pkg/protoc/providers.go:40:4: unknown field 'Execer' in struct literal of type gex.Config
failed to build github.com/izumin5210/grapi/cmd/grapi: exit status 2

[rerost]

This can be avoided by using master.

❯ cat go.mod
module github.com/rerost/XXX

go 1.13

require (
        github.com/izumin5210/gex v0.6.0
        github.com/izumin5210/grapi v0.5.1-0.20191120153727-b4a7b2759ae6
)