diff --git a/deployments/ook/kustomization.yaml b/deployments/ook/kustomization.yaml
index 45dcbe32..6f30b9f7 100644
--- a/deployments/ook/kustomization.yaml
+++ b/deployments/ook/kustomization.yaml
@@ -5,7 +5,7 @@ namespace: events
 
 resources:
   - resources/vaultsecret.yaml
-  - github.com/lsst-sqre/ook.git//manifests/base?ref=0.5.0
+  - github.com/lsst-sqre/ook.git//manifests/base?ref=0.9.1
 
 patchesStrategicMerge:
   - patches/configmap.yaml