diff --git a/google/auth/transport/_aiohttp_requests.py b/google/auth/transport/_aiohttp_requests.py
index 3a8da917a..2769ff99a 100644
--- a/google/auth/transport/_aiohttp_requests.py
+++ b/google/auth/transport/_aiohttp_requests.py
@@ -307,7 +307,8 @@ async def request(
                     headers[key] = headers[key].decode("utf-8")
 
         async with aiohttp.ClientSession(
-            auto_decompress=self._auto_decompress
+            auto_decompress=self._auto_decompress,
+            trust_env=kwargs.get('trust_env', False)
         ) as self._auth_request_session:
             auth_request = Request(self._auth_request_session)
             self._auth_request = auth_request
diff --git a/system_tests/secrets.tar.enc b/system_tests/secrets.tar.enc
index 65a811ee0..6f0ec4d9f 100644
Binary files a/system_tests/secrets.tar.enc and b/system_tests/secrets.tar.enc differ