diff --git a/monitoring/docker-compose.yml b/monitoring/docker-compose.yml
index c50a8e8..03d35f0 100644
--- a/monitoring/docker-compose.yml
+++ b/monitoring/docker-compose.yml
@@ -4,7 +4,7 @@ services:
     image: prom/prometheus:v3.9.1
     restart: unless-stopped
     ports:
-      - "9090:9090"
+      - "9091:9090"
     volumes:
       - ${PROMETHEUS_CONFIG_PATH}:/etc/prometheus/prometheus.yml:ro
       - ${PROMETHEUS_ALERT_RULES_PATH}:/etc/prometheus/alert_rules.yml