diff --git a/grafana/README.md b/grafana/README.md
index 7e428d9..cede751 100644
--- a/grafana/README.md
+++ b/grafana/README.md
@@ -27,6 +27,7 @@ grafana:
     - GF_SMTP_FROM_ADDRESS=grafana@example.com
     - GF_SMTP_PASSWORD=******
     - GF_USERS_ALLOW_SIGN_UP=false
+    - GF_ALERTING_ERROR_OR_TIMEOUT=keep_state
   restart: always
 ```
 
diff --git a/grafana/docker-compose.yml b/grafana/docker-compose.yml
index c485f72..85065ee 100644
--- a/grafana/docker-compose.yml
+++ b/grafana/docker-compose.yml
@@ -14,4 +14,5 @@ grafana:
     - GF_SMTP_FROM_ADDRESS=grafana@example.com
     - GF_SMTP_PASSWORD=******
     - GF_USERS_ALLOW_SIGN_UP=false
+    - GF_ALERTING_ERROR_OR_TIMEOUT=keep_state
   restart: always