diff --git a/charts/argo/templates/workflow-controller-cluster-roles.yaml b/charts/argo/templates/workflow-controller-cluster-roles.yaml
index d5c3e74d..976d49f8 100644
--- a/charts/argo/templates/workflow-controller-cluster-roles.yaml
+++ b/charts/argo/templates/workflow-controller-cluster-roles.yaml
@@ -73,6 +73,7 @@ rules:
   - events
   verbs:
   - create
+  - patch
 - apiGroups:
   - ""
   resources: