diff --git a/apps/k8s01/mastodon/kustomization.yaml b/apps/k8s01/mastodon/kustomization.yaml
index 3942762c3ab0c47c5b045fea6494bd0e6bab1484..bbebcf66ed0ab7cdea16ee8d38dd2a091c16ba2d 100644
--- a/apps/k8s01/mastodon/kustomization.yaml
+++ b/apps/k8s01/mastodon/kustomization.yaml
@@ -10,6 +10,7 @@ resources:
   - ../../../shared/networkpolicies/deny-by-default-egress.yaml
   - ../../../shared/networkpolicies/allow-to-same-namespace.yaml
   - ../../../shared/networkpolicies/allow-to-public-web.yaml
+  - ../../../shared/networkpolicies/allow-to-database.yaml
   - ../../../shared/networkpolicies/allow-to-kubedns.yaml
 patchesStrategicMerge:
   - database-override.yaml