diff --git a/data/pds.env.template b/data/pds.env.template
index 4a71f87..42dded4 100644
--- a/data/pds.env.template
+++ b/data/pds.env.template
@@ -7,7 +7,7 @@ PDS_EMAIL_SMTP_URL=
 PDS_EMAIL_FROM_ADDRESS=pdsadmin@pds.vielle.dev
 
 # oauth trusted clients
-PDS_OAUTH_TRUSTED_CLIENTS=https://cimd.vielle.dev/oauth-client-metadata.json
+PDS_OAUTH_TRUSTED_CLIENTS=https://cimd.vielle.dev/oauth-client-metadata.json,https://piper.vielle.dev/oauth-client-metadata.json
 
 # ui/ux
 PDS_PRIMARY_COLOR="#008282"