diff --git a/manifests/cluster/external-secrets.yaml b/manifests/cluster/external-secrets.yaml
index 29578c2..ffb7e56 100644
--- a/manifests/cluster/external-secrets.yaml
+++ b/manifests/cluster/external-secrets.yaml
@@ -24,6 +24,7 @@ spec:
       selfHeal: true
     syncOptions:
       - CreateNamespace=true
+      - ServerSideApply=true
 ---
 apiVersion: argoproj.io/v1alpha1
 kind: Application