diff --git a/api/v1alpha1/backend_types.go b/api/v1alpha1/backend_types.go
index 563bb5d2019..6afbcf9d182 100644
--- a/api/v1alpha1/backend_types.go
+++ b/api/v1alpha1/backend_types.go
@@ -116,7 +116,7 @@ type BackendSpec struct {
 	// Endpoints defines the endpoints to be used when connecting to the backend.
 	//
 	// +kubebuilder:validation:MinItems=1
-	// +kubebuilder:validation:MaxItems=4
+	// +kubebuilder:validation:MaxItems=64
 	// +kubebuilder:validation:XValidation:rule="self.all(f, has(f.fqdn)) || !self.exists(f, has(f.fqdn))",message="fqdn addresses cannot be mixed with other address types"
 	Endpoints []BackendEndpoint `json:"endpoints,omitempty"`
 
diff --git a/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_backends.yaml b/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_backends.yaml
index 7d0da8385be..9dd148bf42b 100644
--- a/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_backends.yaml
+++ b/charts/gateway-helm/crds/generated/gateway.envoyproxy.io_backends.yaml
@@ -132,7 +132,7 @@ spec:
                     rule: ((has(self.fqdn) && !(has(self.ip) || has(self.unix))) ||
                       (has(self.ip) && !(has(self.fqdn) || has(self.unix))) || (has(self.unix)
                       && !(has(self.ip) || has(self.fqdn))))
-                maxItems: 4
+                maxItems: 64
                 minItems: 1
                 type: array
                 x-kubernetes-validations:
diff --git a/test/cel-validation/backend_test.go b/test/cel-validation/backend_test.go
index a46a2d4078a..069a9f74f78 100644
--- a/test/cel-validation/backend_test.go
+++ b/test/cel-validation/backend_test.go
@@ -75,6 +75,12 @@ func TestBackend(t *testing.T) {
 								Port:     443,
 							},
 						},
+						{
+							FQDN: &egv1a1.FQDNEndpoint{
+								Hostname: "sub1.sub.sub.example.com",
+								Port:     443,
+							},
+						},
 					},
 				}
 			},