diff --git a/charts/argo-events/templates/argo-events-cluster-roles.yaml b/charts/argo-events/templates/argo-events-cluster-roles.yaml
index 878b8520..2d98ffd8 100644
--- a/charts/argo-events/templates/argo-events-cluster-roles.yaml
+++ b/charts/argo-events/templates/argo-events-cluster-roles.yaml
@@ -58,6 +58,8 @@ rules:
       - gateways/finalizers
       - sensors
       - sensors/finalizers
+      - eventsources
+      - eventsources/finalizers
   - apiGroups:
       - ""
     resources:
diff --git a/charts/argo-events/templates/event-source-crd.yaml b/charts/argo-events/templates/event-source-crd.yaml
new file mode 100644
index 00000000..67560d30
--- /dev/null
+++ b/charts/argo-events/templates/event-source-crd.yaml
@@ -0,0 +1,18 @@
+{{- if .Values.installCRD }}
+# Define a "event source" custom resource definition
+apiVersion: apiextensions.k8s.io/v1beta1
+kind: CustomResourceDefinition
+metadata:
+  name: eventsources.argoproj.io
+spec:
+  group: argoproj.io
+  scope: Namespaced
+  names:
+    kind: EventSource
+    plural: eventsources
+    singular: eventsource
+    listKind: EventSourceList
+    shortNames:
+      - es
+  version: "v1alpha1"
+{{- end }}