diff --git a/threejs/three.d.ts b/threejs/three.d.ts
index b01c38c63..fb890afe6 100644
--- a/threejs/three.d.ts
+++ b/threejs/three.d.ts
@@ -4588,6 +4588,8 @@ declare module THREE {
             };
         };
 
+        shadowMap: WebGLShadowMapInstance;
+
         /**
          * Return the WebGL context.
          */