diff --git a/pkg/probe/grpc/grpc_test.go b/pkg/probe/grpc/grpc_test.go
index 14e58657e5a..1e625b67532 100644
--- a/pkg/probe/grpc/grpc_test.go
+++ b/pkg/probe/grpc/grpc_test.go
@@ -44,6 +44,16 @@ func TestNew(t *testing.T) {
 type successServerMock struct {
 }
 
+func (s successServerMock) List(ctx context.Context, request *grpchealth.HealthListRequest) (*grpchealth.HealthListResponse, error) {
+	return &grpchealth.HealthListResponse{
+		Statuses: map[string]*grpchealth.HealthCheckResponse{
+			"grpc": {
+				Status: grpchealth.HealthCheckResponse_SERVING,
+			},
+		},
+	}, nil
+}
+
 func (s successServerMock) Check(context.Context, *grpchealth.HealthCheckRequest) (*grpchealth.HealthCheckResponse, error) {
 	return &grpchealth.HealthCheckResponse{
 		Status: grpchealth.HealthCheckResponse_SERVING,
@@ -59,6 +69,16 @@ func (s successServerMock) Watch(_ *grpchealth.HealthCheckRequest, stream grpche
 type errorTimeoutServerMock struct {
 }
 
+func (e errorTimeoutServerMock) List(ctx context.Context, request *grpchealth.HealthListRequest) (*grpchealth.HealthListResponse, error) {
+	return &grpchealth.HealthListResponse{
+		Statuses: map[string]*grpchealth.HealthCheckResponse{
+			"grpc": {
+				Status: grpchealth.HealthCheckResponse_SERVING,
+			},
+		},
+	}, nil
+}
+
 func (e errorTimeoutServerMock) Check(context.Context, *grpchealth.HealthCheckRequest) (*grpchealth.HealthCheckResponse, error) {
 	time.Sleep(time.Second * 4)
 	return &grpchealth.HealthCheckResponse{
@@ -76,6 +96,16 @@ func (e errorTimeoutServerMock) Watch(_ *grpchealth.HealthCheckRequest, stream g
 type errorNotServeServerMock struct {
 }
 
+func (e errorNotServeServerMock) List(ctx context.Context, request *grpchealth.HealthListRequest) (*grpchealth.HealthListResponse, error) {
+	return &grpchealth.HealthListResponse{
+		Statuses: map[string]*grpchealth.HealthCheckResponse{
+			"grpc": {
+				Status: grpchealth.HealthCheckResponse_NOT_SERVING,
+			},
+		},
+	}, nil
+}
+
 func (e errorNotServeServerMock) Check(context.Context, *grpchealth.HealthCheckRequest) (*grpchealth.HealthCheckResponse, error) {
 	return &grpchealth.HealthCheckResponse{
 		Status: grpchealth.HealthCheckResponse_NOT_SERVING,
diff --git a/test/images/agnhost/grpc-health-checking/grpc-health-checking.go b/test/images/agnhost/grpc-health-checking/grpc-health-checking.go
index 0ec9dd3e8cd..f1a6233ca37 100644
--- a/test/images/agnhost/grpc-health-checking/grpc-health-checking.go
+++ b/test/images/agnhost/grpc-health-checking/grpc-health-checking.go
@@ -70,6 +70,10 @@ type HealthChecker struct {
 	started time.Time
 }
 
+func (s *HealthChecker) List(ctx context.Context, request *grpc_health_v1.HealthListRequest) (*grpc_health_v1.HealthListResponse, error) {
+	return nil, status.Error(codes.Unimplemented, "unimplemented")
+}
+
 func (s *HealthChecker) Check(ctx context.Context, req *grpc_health_v1.HealthCheckRequest) (*grpc_health_v1.HealthCheckResponse, error) {
 	log.Printf("Serving the Check request for health check, started at %v", s.started)