diff --git a/hatchet_sdk/clients/admin.py b/hatchet_sdk/clients/admin.py
index 81662d1b..e3d345b1 100644
--- a/hatchet_sdk/clients/admin.py
+++ b/hatchet_sdk/clients/admin.py
@@ -95,7 +95,10 @@ def _prepare_workflow_request(
                     else options["additional_metadata"]
                 )
                 if meta is not None:
-                    options["additional_metadata"] = json.dumps(meta).encode("utf-8")
+                    options = {
+                        **options,
+                        "additional_metadata": json.dumps(meta).encode("utf-8"),
+                    }
             except json.JSONDecodeError as e:
                 raise ValueError(f"Error encoding payload: {e}")
 
diff --git a/pyproject.toml b/pyproject.toml
index d021be51..27dd1d8c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "hatchet-sdk"
-version = "0.45.2"
+version = "0.45.3"
 description = ""
 authors = ["Alexander Belanger <alexander@hatchet.run>"]
 readme = "README.md"