diff --git a/pkg/config/runtime_config.go b/pkg/config/runtime_config.go
index a7559b5..2316dc5 100644
--- a/pkg/config/runtime_config.go
+++ b/pkg/config/runtime_config.go
@@ -77,6 +77,8 @@ func BuildRestConfig(rtCfg RuntimeConfig) (*rest.Config, error) {
 	if err != nil {
 		return nil, err
 	}
+	restCFG.AcceptContentTypes = "application/vnd.kubernetes.protobuf,application/json"
+	restCFG.ContentType = "application/vnd.kubernetes.protobuf"
 	restCFG.QPS = defaultQPS
 	restCFG.Burst = defaultBurst
 	return restCFG, nil