diff --git a/apis/v1/grpcroute_types.go b/apis/v1/grpcroute_types.go
index c6eeb0f3ea..5e77a897c1 100644
--- a/apis/v1/grpcroute_types.go
+++ b/apis/v1/grpcroute_types.go
@@ -60,6 +60,7 @@ type GRPCRoute struct {
 	metav1.ObjectMeta `json:"metadata,omitempty"`
 
 	// Spec defines the desired state of GRPCRoute.
+	// +required
 	Spec GRPCRouteSpec `json:"spec,omitempty"`
 
 	// Status defines the current state of GRPCRoute.
diff --git a/config/crd/experimental/gateway.networking.k8s.io_grpcroutes.yaml b/config/crd/experimental/gateway.networking.k8s.io_grpcroutes.yaml
index 9e8dd64201..f04363ab31 100644
--- a/config/crd/experimental/gateway.networking.k8s.io_grpcroutes.yaml
+++ b/config/crd/experimental/gateway.networking.k8s.io_grpcroutes.yaml
@@ -2204,6 +2204,8 @@ spec:
             required:
             - parents
             type: object
+        required:
+        - spec
         type: object
     served: true
     storage: true
diff --git a/config/crd/standard/gateway.networking.k8s.io_grpcroutes.yaml b/config/crd/standard/gateway.networking.k8s.io_grpcroutes.yaml
index 4f7d8f1323..4982ec8453 100644
--- a/config/crd/standard/gateway.networking.k8s.io_grpcroutes.yaml
+++ b/config/crd/standard/gateway.networking.k8s.io_grpcroutes.yaml
@@ -2047,6 +2047,8 @@ spec:
             required:
             - parents
             type: object
+        required:
+        - spec
         type: object
     served: true
     storage: true
diff --git a/pkg/generated/openapi/zz_generated.openapi.go b/pkg/generated/openapi/zz_generated.openapi.go
index cc919c61da..92162b5a1b 100644
--- a/pkg/generated/openapi/zz_generated.openapi.go
+++ b/pkg/generated/openapi/zz_generated.openapi.go
@@ -3286,6 +3286,7 @@ func schema_sigsk8sio_gateway_api_apis_v1_GRPCRoute(ref common.ReferenceCallback
 						},
 					},
 				},
+				Required: []string{"spec"},
 			},
 		},
 		Dependencies: []string{
@@ -5927,6 +5928,7 @@ func schema_sigsk8sio_gateway_api_apis_v1alpha2_GRPCRoute(ref common.ReferenceCa
 						},
 					},
 				},
+				Required: []string{"spec"},
 			},
 		},
 		Dependencies: []string{