diff --git a/argocd/apps/cloudnative-pg.yaml b/argocd/apps/cloudnative-pg.yaml
index 641d0e1..e128f4e 100644
--- a/argocd/apps/cloudnative-pg.yaml
+++ b/argocd/apps/cloudnative-pg.yaml
@@ -26,4 +26,5 @@ spec:
   syncPolicy:
     syncOptions:
       - CreateNamespace=true
+      - ServerSideApply=true  # Required for large CRDs that exceed annotation size limit
   # Manual sync only - no automated sync on git push