diff --git a/mod_polling/poller.py b/mod_polling/poller.py
index 52e4a90..aaf028d 100644
--- a/mod_polling/poller.py
+++ b/mod_polling/poller.py
@@ -408,7 +408,8 @@ async def check_github_release(self, mod):
         url = "https://api.github.com/repos/" + repo + "/releases"
 
         if client_id and client_secret:
-            releases = await self.fetch_json(url, auth=aiohttp.BasicAuth(client_id, client_secret))
+            headers = {"Authorization": aiohttp.encode_basic_auth(client_id, client_secret)}
+            releases = await self.fetch_json(url, headers=headers)
         else:
             releases = await self.fetch_json(url)
 
diff --git a/scripts/test_regexes.py b/scripts/test_regexes.py
index f77243e..161b8ff 100644
--- a/scripts/test_regexes.py
+++ b/scripts/test_regexes.py
@@ -235,7 +235,7 @@ async def check_github_release(
 
     kwargs = {}
     if client_id and client_secret:
-        kwargs["auth"] = aiohttp.BasicAuth(client_id, client_secret)
+        kwargs["headers"] = {"Authorization": aiohttp.encode_basic_auth(client_id, client_secret)}
 
     async with session.get(url, **kwargs) as resp:
         if resp.status >= 400: