diff --git a/docker-compose.yaml b/docker-compose.yaml
index a1533669..4e7a455d 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -14,7 +14,7 @@ x-backend-secrets: &backend-secrets
 services:
   mongo:
     logging: *logging
-    image: mongo:9.0.2
+    image: mongo:9.0.4
     command: ["mongod", "--wiredTigerCacheSizeGB", "0.4"]
     ports:
       - "127.0.0.1:27017:27017"
diff --git a/docs/operations/deployment.md b/docs/operations/deployment.md
index 0c511a88..c966e9fb 100644
--- a/docs/operations/deployment.md
+++ b/docs/operations/deployment.md
@@ -97,7 +97,7 @@ The frontend gets `GRAFANA_PUBLIC_URL` from `GRAFANA_ROOT_URL` (default `http://
 
 | Image                                  | Version   |
 |----------------------------------------|-----------|
-| `mongo`                                | 9.0.2     |
+| `mongo`                                | 9.0.4     |
 | `redis`                                | 8.10.2-alpine |
 | `confluentinc/cp-kafka`                | 8.3.2     |
 | `grafana/grafana`                      | 13.2.3    |