diff --git a/packages/zitadel-proto/buf.gen.yaml b/packages/zitadel-proto/buf.gen.yaml
index 5e528ff88be..32da6ad1df6 100644
--- a/packages/zitadel-proto/buf.gen.yaml
+++ b/packages/zitadel-proto/buf.gen.yaml
@@ -5,3 +5,5 @@ plugins:
   - remote: buf.build/bufbuild/es:v2.0.0
     out: .
     include_imports: true
+    opt:
+      - json_types=true