diff --git a/simulator/docker-compose.yml b/simulator/docker-compose.yml
index 0c03338..e730eb8 100644
--- a/simulator/docker-compose.yml
+++ b/simulator/docker-compose.yml
@@ -58,6 +58,10 @@ services:
       GF_AUTH_ANONYMOUS_ENABLED: "true"
       GF_AUTH_ANONYMOUS_ORG_ROLE: Admin
       GF_AUTH_DISABLE_LOGIN_FORM: "true"
+      # Air-gap hygiene: no phone-home, no update checks, no plugin fetches
+      GF_ANALYTICS_REPORTING_ENABLED: "false"
+      GF_ANALYTICS_CHECK_FOR_UPDATES: "false"
+      GF_ANALYTICS_CHECK_FOR_PLUGIN_UPDATES: "false"
     volumes:
       - ./monitoring/grafana/provisioning:/etc/grafana/provisioning:ro
       - ./monitoring/grafana/dashboards:/var/lib/grafana/dashboards:ro