diff --git a/custom_components/auth_oidc/tools/oidc_client.py b/custom_components/auth_oidc/tools/oidc_client.py
index c0cd501..bbf4469 100644
--- a/custom_components/auth_oidc/tools/oidc_client.py
+++ b/custom_components/auth_oidc/tools/oidc_client.py
@@ -372,6 +372,7 @@ class OIDCClient:
             tcp_connector_args["ssl"] = ssl_context
 
         self.http_session = aiohttp.ClientSession(
+            trust_env=True,
             connector=aiohttp.TCPConnector(**tcp_connector_args)
         )
         return self.http_session