diff --git a/flux/infrastructure/infra-devops/post/helmrelease-cert-manager-patch.yaml b/flux/infrastructure/infra-devops/post/helmrelease-cert-manager-patch.yaml
index 35fbcf5..d3d0d50 100644
--- a/flux/infrastructure/infra-devops/post/helmrelease-cert-manager-patch.yaml
+++ b/flux/infrastructure/infra-devops/post/helmrelease-cert-manager-patch.yaml
@@ -9,6 +9,7 @@ metadata:
   annotations:
     kustomize.toolkit.fluxcd.io/prune: disabled
 spec:
+  interval: 30m
   values:
     prometheus:
       servicemonitor: