diff --git a/manifests/prometheus-operator/prometheus-operator-cluster-role.yaml b/manifests/prometheus-operator/prometheus-operator-cluster-role.yaml
index 0a78305b..809c9a70 100644
--- a/manifests/prometheus-operator/prometheus-operator-cluster-role.yaml
+++ b/manifests/prometheus-operator/prometheus-operator-cluster-role.yaml
@@ -20,6 +20,7 @@ rules:
   resources:
   - alertmanagers
   - prometheuses
+  - prometheuses/finalizers
   - servicemonitors
   verbs:
   - "*"