diff --git a/statefun-sdk-python/statefun/__init__.py b/statefun-sdk-python/statefun/__init__.py
index 52651dc..090a245 100644
--- a/statefun-sdk-python/statefun/__init__.py
+++ b/statefun-sdk-python/statefun/__init__.py
@@ -40,4 +40,4 @@
 from statefun.request_reply_v3 import RequestReplyHandler
 
 # utilits
-from statefun.utils import make_protobuf_type
+from statefun.utils import make_protobuf_type, make_json_type