diff --git a/staging/src/k8s.io/code-generator/cmd/go-to-protobuf/protobuf/cmd.go b/staging/src/k8s.io/code-generator/cmd/go-to-protobuf/protobuf/cmd.go
index 0553cf50439..06b7638db67 100644
--- a/staging/src/k8s.io/code-generator/cmd/go-to-protobuf/protobuf/cmd.go
+++ b/staging/src/k8s.io/code-generator/cmd/go-to-protobuf/protobuf/cmd.go
@@ -74,6 +74,7 @@ func New() *Generator {
 			`+k8s.io/apimachinery/pkg/runtime`,
 			`k8s.io/apimachinery/pkg/apis/meta/v1`,
 			`k8s.io/apimachinery/pkg/apis/meta/v1beta1`,
+			`k8s.io/apimachinery/pkg/apis/testapigroup/v1`,
 		}, ","),
 		Packages:           "",
 		DropEmbeddedFields: "k8s.io/apimachinery/pkg/apis/meta/v1.TypeMeta",