diff --git a/types/three/src/nodes/materials/NodeMaterial.d.ts b/types/three/src/nodes/materials/NodeMaterial.d.ts
index 8df7ea1ba..7c7460042 100644
--- a/types/three/src/nodes/materials/NodeMaterial.d.ts
+++ b/types/three/src/nodes/materials/NodeMaterial.d.ts
@@ -98,6 +98,7 @@ export default class NodeMaterial extends Material {
     setupEnvironment(builder: NodeBuilder): Node | null;
     setupLightMap(builder: NodeBuilder): Node | null;
     setupLights(builder: NodeBuilder): LightsNode;
+    setupOutgoingLight(): Node;
     setupLightingModel(builder: NodeBuilder): LightingModel;
     setupLighting(builder: NodeBuilder): Node;
     setupOutput(builder: NodeBuilder, outputNode: Node): Node;