diff --git a/initdb/99env.sh b/initdb/99env.sh
index 91ae185..8c61193 100755
--- a/initdb/99env.sh
+++ b/initdb/99env.sh
@@ -24,4 +24,5 @@ COMMENT ON DATABASE signalk IS 'PostgSail version ${PGSAIL_VERSION}';
 -- Update password from env
 ALTER ROLE authenticator WITH PASSWORD '${PGSAIL_AUTHENTICATOR_PASSWORD}';
 ALTER ROLE grafana WITH PASSWORD '${PGSAIL_GRAFANA_PASSWORD}';
+ALTER ROLE grafana_auth WITH PASSWORD '${PGSAIL_GRAFANA_AUTH_PASSWORD}';
 END