diff --git a/fivetran_provider/hooks/fivetran.py b/fivetran_provider/hooks/fivetran.py
index 7ca52ff..2e5cda9 100644
--- a/fivetran_provider/hooks/fivetran.py
+++ b/fivetran_provider/hooks/fivetran.py
@@ -112,6 +112,7 @@ def _do_api_call(self, endpoint_info, json=None):
             request_func = requests.get
         elif method == "POST":
             request_func = requests.post
+            headers.update({"Content-Type": "application/json;version=2"})
         elif method == "PATCH":
             request_func = requests.patch
             headers.update({"Content-Type": "application/json;version=2"})