diff --git a/devenv/docker/ha_test/docker-compose.yaml b/devenv/docker/ha_test/docker-compose.yaml
index ce8630d88a4..1195e2a977c 100644
--- a/devenv/docker/ha_test/docker-compose.yaml
+++ b/devenv/docker/ha_test/docker-compose.yaml
@@ -9,7 +9,7 @@ services:
       - /var/run/docker.sock:/tmp/docker.sock:ro
 
   db:
-    image: mysql
+    image: mysql:5.6
     environment:
       MYSQL_ROOT_PASSWORD: rootpass
       MYSQL_DATABASE: grafana
diff --git a/devenv/docker/ha_test/grafana/provisioning/alerts.jsonnet b/devenv/docker/ha_test/grafana/provisioning/alerts.jsonnet
index 86ded7e79d6..e9b8abfbb9c 100644
--- a/devenv/docker/ha_test/grafana/provisioning/alerts.jsonnet
+++ b/devenv/docker/ha_test/grafana/provisioning/alerts.jsonnet
@@ -39,6 +39,7 @@ local alertDashboardTemplate = {
         "executionErrorState": "alerting",
         "frequency": "10s",
         "handler": 1,
+        "for": "1m",
         "name": "bulk alerting",
         "noDataState": "no_data",
         "notifications": [