diff --git a/apps/templates/external-secrets-helm.yaml b/apps/templates/external-secrets-helm.yaml
index c638e5c..e945f3e 100644
--- a/apps/templates/external-secrets-helm.yaml
+++ b/apps/templates/external-secrets-helm.yaml
@@ -8,7 +8,9 @@ metadata:
 spec:
   syncPolicy:
     syncOptions:
-      - CreateNamespace=true 
+      - CreateNamespace=true
+      # From 0.19 the ESO CRDs are too big for client-side apply.
+      - ServerSideApply=true
     automated:
       selfHeal: true
   project: default