diff --git a/node_modules/ammo-debug-drawer/AmmoDebugDrawer.js b/node_modules/ammo-debug-drawer/AmmoDebugDrawer.js
index 16e7a2f..17bd9f0 100644
--- a/node_modules/ammo-debug-drawer/AmmoDebugDrawer.js
+++ b/node_modules/ammo-debug-drawer/AmmoDebugDrawer.js
@@ -41,13 +41,13 @@ THREE.AmmoDebugDrawer = function(scene, world, options) {
   var vertices = new Float32Array(maxBufferSize * 3);
   var colors = new Float32Array(maxBufferSize * 3);
 
-  this.geometry.addAttribute("position", new THREE.BufferAttribute(vertices, 3).setDynamic(true));
-  this.geometry.addAttribute("color", new THREE.BufferAttribute(colors, 3).setDynamic(true));
+  this.geometry.setAttribute("position", new THREE.BufferAttribute(vertices, 3).setUsage(THREE.DynamicDrawUsage));
+  this.geometry.setAttribute("color", new THREE.BufferAttribute(colors, 3).setUsage(THREE.DynamicDrawUsage));
 
   this.index = 0;
 
   var material = new THREE.LineBasicMaterial({
-    vertexColors: THREE.VertexColors,
+    vertexColors: true,
     depthTest: !drawOnTop
   });