diff --git a/package.json b/package.json
index ec24d686..a8a07298 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "@vladmandic/pilogger": "^0.2.7",
     "chokidar": "^3.4.3",
     "dayjs": "^1.9.6",
-    "esbuild": "^0.8.8",
+    "esbuild": "^0.8.9",
     "eslint": "^7.13.0",
     "eslint-config-airbnb-base": "^14.2.1",
     "eslint-plugin-import": "^2.22.1",
diff --git a/src/age/age.js b/src/age/age.js
index d07d4bbf..02231818 100644
--- a/src/age/age.js
+++ b/src/age/age.js
@@ -1,4 +1,4 @@
-import { tf, loadGraphModel } from '../tf.js';
+import { tf } from '../tf.js';
 import * as profile from '../profile.js';
 
 const models = {};
@@ -7,7 +7,7 @@ let frame = Number.MAX_SAFE_INTEGER;
 
 async function load(config) {
   if (!models.age) {
-    models.age = await loadGraphModel(config.face.age.modelPath);
+    models.age = await tf.loadGraphModel(config.face.age.modelPath);
     // eslint-disable-next-line no-console
     console.log(`Human: load model: ${config.face.age.modelPath.match(/\/(.*)\./)[1]}`);
   }
diff --git a/src/emotion/emotion.js b/src/emotion/emotion.js
index dbf76b86..c29a8a1b 100644
--- a/src/emotion/emotion.js
+++ b/src/emotion/emotion.js
@@ -1,4 +1,4 @@
-import { tf, loadGraphModel } from '../tf.js';
+import { tf } from '../tf.js';
 import * as profile from '../profile.js';
 
 const annotations = ['angry', 'disgust', 'fear', 'happy', 'sad', 'surpise', 'neutral'];
@@ -12,7 +12,7 @@ const scale = 1; // score multiplication factor
 
 async function load(config) {
   if (!models.emotion) {
-    models.emotion = await loadGraphModel(config.face.emotion.modelPath);
+    models.emotion = await tf.loadGraphModel(config.face.emotion.modelPath);
     // eslint-disable-next-line no-console
     console.log(`Human: load model: ${config.face.emotion.modelPath.match(/\/(.*)\./)[1]}`);
   }
diff --git a/src/gender/gender.js b/src/gender/gender.js
index 5bf82901..c0260e4d 100644
--- a/src/gender/gender.js
+++ b/src/gender/gender.js
@@ -1,4 +1,4 @@
-import { tf, loadGraphModel } from '../tf.js';
+import { tf } from '../tf.js';
 import * as profile from '../profile.js';
 
 const models = {};
@@ -11,7 +11,7 @@ const rgb = [0.2989, 0.5870, 0.1140]; // factors for red/green/blue colors when
 
 async function load(config) {
   if (!models.gender) {
-    models.gender = await loadGraphModel(config.face.gender.modelPath);
+    models.gender = await tf.loadGraphModel(config.face.gender.modelPath);
     alternative = models.gender.inputs[0].shape[3] === 1;
     // eslint-disable-next-line no-console
     console.log(`Human: load model: ${config.face.gender.modelPath.match(/\/(.*)\./)[1]}`);
diff --git a/src/hand/handpose.js b/src/hand/handpose.js
index 2bb3c509..57199cf7 100644
--- a/src/hand/handpose.js
+++ b/src/hand/handpose.js
@@ -16,7 +16,7 @@
  */
 // https://storage.googleapis.com/tfjs-models/demos/handpose/index.html
 
-import { loadGraphModel } from '../tf.js';
+import { tf } from '../tf.js';
 import * as handdetector from './handdetector';
 import * as pipeline from './handpipeline';
 import * as anchors from './anchors';
@@ -69,8 +69,8 @@ exports.HandPose = HandPose;
 
 async function load(config) {
   const [handDetectorModel, handPoseModel] = await Promise.all([
-    loadGraphModel(config.detector.modelPath, { fromTFHub: config.detector.modelPath.includes('tfhub.dev') }),
-    loadGraphModel(config.skeleton.modelPath, { fromTFHub: config.skeleton.modelPath.includes('tfhub.dev') }),
+    tf.loadGraphModel(config.detector.modelPath, { fromTFHub: config.detector.modelPath.includes('tfhub.dev') }),
+    tf.loadGraphModel(config.skeleton.modelPath, { fromTFHub: config.skeleton.modelPath.includes('tfhub.dev') }),
   ]);
   const detector = new handdetector.HandDetector(handDetectorModel, config.inputSize, anchors.anchors);
   const pipe = new pipeline.HandPipeline(detector, handPoseModel, config.inputSize);
diff --git a/src/human.js b/src/human.js
index 568f8549..5ac37d60 100644
--- a/src/human.js
+++ b/src/human.js
@@ -1,4 +1,4 @@
-import { tf, setWasmPaths } from './tf.js';
+import { tf, wasm } from './tf.js';
 import * as facemesh from './face/facemesh.js';
 import * as age from './age/age.js';
 import * as gender from './gender/gender.js';
@@ -172,7 +172,7 @@ class Human {
 
       if (this.config.backend === 'wasm') {
         this.log('settings wasm path:', this.config.wasmPath);
-        setWasmPaths(this.config.wasmPath);
+        wasm.setWasmPaths(this.config.wasmPath);
         const simd = await tf.env().getAsync('WASM_HAS_SIMD_SUPPORT');
         if (!simd) this.log('warning: wasm simd support is not enabled');
       }
diff --git a/src/tf.js b/src/tf.js
index ca4285f9..517e7531 100644
--- a/src/tf.js
+++ b/src/tf.js
@@ -1,29 +1,4 @@
-// from esm bundles: bundle 3.3M
-import * as tf from '@tensorflow/tfjs/dist/tf.es2017.js';
-import { setWasmPaths } from '@tensorflow/tfjs-backend-wasm/dist/index.js';
+// wrapper to load tfjs in a single place so version can be changed quickly
 
-const loadGraphModel = tf.loadGraphModel;
-// const setWasmPaths = tf.setWasmPaths;
-export { tf, loadGraphModel, setWasmPaths };
-
-// modular: bundle 4.2M
-/*
-import * as tf from '@tensorflow/tfjs-core/dist/tf-core.es2017.js';
-import { loadGraphModel } from '@tensorflow/tfjs-converter/dist/tf-converter.es2017.js';
-import * as tfCPU from '@tensorflow/tfjs-backend-cpu/dist/tf-backend-cpu.es2017.js';
-import * as tfWebGL from '@tensorflow/tfjs-backend-webgl/dist/tf-backend-webgl.es2017.js';
-import { setWasmPaths, version_wasm } from '@tensorflow/tfjs-backend-wasm/dist/index.js';
-
-const version = { core: tf.version, cpu: tfCPU.version_cpu, webgl: tfWebGL.version_webgl, wasm: version_wasm };
-
-export { tf, setWasmPaths, loadGraphModel, version };
-*/
-
-// custom: bundle 3.4M
-/*
-import * as tf from '../../../dev-clone/tfjs/tfjs/dist/index.js';
-import { setWasmPaths } from '@tensorflow/tfjs-backend-wasm/dist/index.js';
-
-const loadGraphModel = tf.loadGraphModel;
-export { tf, setWasmPaths, loadGraphModel };
-*/
+export * as tf from '@tensorflow/tfjs/dist/index.js';
+export * as wasm from '@tensorflow/tfjs-backend-wasm/dist/index.js';