diff --git a/docs/_website/generator/go.mod b/docs/_website/generator/go.mod
index 9403b68532..21b2c89614 100644
--- a/docs/_website/generator/go.mod
+++ b/docs/_website/generator/go.mod
@@ -4,6 +4,6 @@ go 1.14
 
 require (
 	github.com/Masterminds/sprig/v3 v3.2.3
-	github.com/yoheimuta/go-protoparser/v4 v4.7.0
+	github.com/yoheimuta/go-protoparser/v4 v4.9.0
 	gopkg.in/yaml.v3 v3.0.1
 )
diff --git a/docs/_website/generator/go.sum b/docs/_website/generator/go.sum
index c5e7c6575b..f110ab934f 100644
--- a/docs/_website/generator/go.sum
+++ b/docs/_website/generator/go.sum
@@ -27,8 +27,8 @@ github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
 github.com/stretchr/testify v1.5.1 h1:nOGnQDM7FYENwehXlg/kFVnos3rEvtKTjRvOWSzb6H4=
 github.com/stretchr/testify v1.5.1/go.mod h1:5W2xD1RspED5o8YsWQXVCued0rvSQ+mT+I5cxcmMvtA=
-github.com/yoheimuta/go-protoparser/v4 v4.7.0 h1:80LGfVM25sCoNDD08hv9O0ShQMjoTrIE76j5ON+gq3U=
-github.com/yoheimuta/go-protoparser/v4 v4.7.0/go.mod h1:AHNNnSWnb0UoL4QgHPiOAg2BniQceFscPI5X/BZNHl8=
+github.com/yoheimuta/go-protoparser/v4 v4.9.0 h1:zHRXzRjkOamwMkPu7bpiCtOpxHkM9c8zxQOvW99eWlo=
+github.com/yoheimuta/go-protoparser/v4 v4.9.0/go.mod h1:AHNNnSWnb0UoL4QgHPiOAg2BniQceFscPI5X/BZNHl8=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=