diff --git a/contrib/local-environment/oauth2-proxy-nginx.cfg b/contrib/local-environment/oauth2-proxy-nginx.cfg
index c60c3ac2..e17eb311 100644
--- a/contrib/local-environment/oauth2-proxy-nginx.cfg
+++ b/contrib/local-environment/oauth2-proxy-nginx.cfg
@@ -2,7 +2,7 @@ http_address="0.0.0.0:4180"
 cookie_secret="OQINaROshtE9TcZkNAm-5Zs2Pv3xaWytBmc5W7sPX7w="
 provider="oidc"
 email_domains="example.com"
-oidc_issuer_url="http://dex.localhost:4190/dex"
+oidc_issuer_url="http://dex.localtest.me:4190/dex"
 client_secret="b2F1dGgyLXByb3h5LWNsaWVudC1zZWNyZXQK"
 client_id="oauth2-proxy"
 cookie_secure="false"