diff --git a/prometheus-grafana/prometheus/prometheus.yml b/prometheus-grafana/prometheus/prometheus.yml
index da07356..18c44da 100644
--- a/prometheus-grafana/prometheus/prometheus.yml
+++ b/prometheus-grafana/prometheus/prometheus.yml
@@ -8,7 +8,7 @@ alerting:
     - targets: []
     scheme: http
     timeout: 10s
-    api_version: v2
+    api_version: v1
 scrape_configs:
 - job_name: prometheus
   honor_timestamps: true