diff --git a/proto/spaceone/api/repository/v1/plugin.proto b/proto/spaceone/api/repository/v1/plugin.proto
index c9f81b51f..dfddb77f6 100644
--- a/proto/spaceone/api/repository/v1/plugin.proto
+++ b/proto/spaceone/api/repository/v1/plugin.proto
@@ -84,6 +84,7 @@ enum PublicRegistryType {
   AWS_PRIVATE_ECR = 2;
   HARBOR = 3;
   GITHUB = 4;
+  GCP_PRIVATE_GCR = 5;
 }
 
 //{