diff --git a/api/v1/clusterextensionrevision_types.go b/api/v1/clusterextensionrevision_types.go
index 13ac4ce2a..79c445e6e 100644
--- a/api/v1/clusterextensionrevision_types.go
+++ b/api/v1/clusterextensionrevision_types.go
@@ -108,6 +108,7 @@ type ClusterExtensionRevisionObject struct {
 	// already existing on the cluster or even owned by another controller.
 	//
 	// +kubebuilder:default="Prevent"
+	// +kubebuilder:validation:Enum=Prevent;IfNoController;None
 	// +optional
 	CollisionProtection CollisionProtection `json:"collisionProtection,omitempty"`
 }
diff --git a/helm/olmv1/base/operator-controller/crd/experimental/olm.operatorframework.io_clusterextensionrevisions.yaml b/helm/olmv1/base/operator-controller/crd/experimental/olm.operatorframework.io_clusterextensionrevisions.yaml
index 5004c8c6f..b11635674 100644
--- a/helm/olmv1/base/operator-controller/crd/experimental/olm.operatorframework.io_clusterextensionrevisions.yaml
+++ b/helm/olmv1/base/operator-controller/crd/experimental/olm.operatorframework.io_clusterextensionrevisions.yaml
@@ -87,6 +87,10 @@ spec:
                             description: |-
                               CollisionProtection controls whether OLM can adopt and modify objects
                               already existing on the cluster or even owned by another controller.
+                            enum:
+                            - Prevent
+                            - IfNoController
+                            - None
                             type: string
                           object:
                             type: object
diff --git a/manifests/experimental-e2e.yaml b/manifests/experimental-e2e.yaml
index db03c11a8..f39f5d765 100644
--- a/manifests/experimental-e2e.yaml
+++ b/manifests/experimental-e2e.yaml
@@ -678,6 +678,10 @@ spec:
                             description: |-
                               CollisionProtection controls whether OLM can adopt and modify objects
                               already existing on the cluster or even owned by another controller.
+                            enum:
+                            - Prevent
+                            - IfNoController
+                            - None
                             type: string
                           object:
                             type: object
diff --git a/manifests/experimental.yaml b/manifests/experimental.yaml
index 664f8599c..44265e031 100644
--- a/manifests/experimental.yaml
+++ b/manifests/experimental.yaml
@@ -643,6 +643,10 @@ spec:
                             description: |-
                               CollisionProtection controls whether OLM can adopt and modify objects
                               already existing on the cluster or even owned by another controller.
+                            enum:
+                            - Prevent
+                            - IfNoController
+                            - None
                             type: string
                           object:
                             type: object