diff --git a/argocd/apps/cert-manager/cert-manager.yaml b/argocd/apps/cert-manager/cert-manager.yaml
index 96637c2..5140ac9 100644
--- a/argocd/apps/cert-manager/cert-manager.yaml
+++ b/argocd/apps/cert-manager/cert-manager.yaml
@@ -13,6 +13,17 @@ spec:
       parameters:
         - name: installCRDs
           value: "true"
+        - name: 'namespace'
+          value: 'cert-manager'
+        - name: 'enableCertificateOwnerRef'
+          value: 'true'
+        - name: 'webhook.networkPolicy.enabled'
+          value: 'true'
+        - name: webhook.hostNetwork
+          value: 'true'
+        - name: webhook.securePort
+          value: '10250'
+      chart: cert-manager
     repoURL: https://charts.jetstack.io
     targetRevision: v1.15.*
   destination: