diff --git a/python-ecosys/aiohttp/aiohttp/__init__.py b/python-ecosys/aiohttp/aiohttp/__init__.py
index 8bcf7a89d..ac3e109d5 100644
--- a/python-ecosys/aiohttp/aiohttp/__init__.py
+++ b/python-ecosys/aiohttp/aiohttp/__init__.py
@@ -169,6 +169,7 @@ async def request_raw(
         is_handshake=False,
         version=None,
     ):
+        headers = headers.copy()
         if json and isinstance(json, dict):
             data = _json.dumps(json)
         if data is not None and method == "GET":
diff --git a/python-ecosys/aiohttp/manifest.py b/python-ecosys/aiohttp/manifest.py
index 13c903d31..a57031cfe 100644
--- a/python-ecosys/aiohttp/manifest.py
+++ b/python-ecosys/aiohttp/manifest.py
@@ -1,6 +1,6 @@
 metadata(
     description="HTTP client module for MicroPython asyncio module",
-    version="0.0.8",
+    version="0.0.9",
     pypi="aiohttp",
 )