diff --git a/pkg/api/annotation_key_constants.go b/pkg/api/annotation_key_constants.go
index bfb42c8b..55bf20f9 100644
--- a/pkg/api/annotation_key_constants.go
+++ b/pkg/api/annotation_key_constants.go
@@ -19,6 +19,10 @@ limitations under the License.
 package api
 
 const (
+	// ImagePolicyFailedOpenKey is added to pods created by failing open when the image policy
+	// webhook backend fails.
+	ImagePolicyFailedOpenKey string = "alpha.image-policy.k8s.io/failed-open"
+
 	// MirrorAnnotationKey represents the annotation key set by kubelets when creating mirror pods
 	MirrorPodAnnotationKey string = "kubernetes.io/config.mirror"
 
diff --git a/pkg/api/v1/annotation_key_constants.go b/pkg/api/v1/annotation_key_constants.go
index 96bbdd57..8591f08b 100644
--- a/pkg/api/v1/annotation_key_constants.go
+++ b/pkg/api/v1/annotation_key_constants.go
@@ -19,6 +19,10 @@ limitations under the License.
 package v1
 
 const (
+	// ImagePolicyFailedOpenKey is added to pods created by failing open when the image policy
+	// webhook backend fails.
+	ImagePolicyFailedOpenKey string = "alpha.image-policy.k8s.io/failed-open"
+
 	// MirrorAnnotationKey represents the annotation key set by kubelets when creating mirror pods
 	MirrorPodAnnotationKey string = "kubernetes.io/config.mirror"