diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5c79ff18..1f5a1f75 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,8 +9,9 @@
   
 ## Changelog
   
-### **HEAD -> main** 2021/09/10 mandic00@live.com
+### **HEAD -> main** 2021/09/11 mandic00@live.com
 
+- fix file permissions
 - remove old build server
 - change build process
 - add benchmark info
diff --git a/build.json b/build.json
index 7ef4414a..47949424 100644
--- a/build.json
+++ b/build.json
@@ -31,7 +31,7 @@
   "build": {
     "global": {
       "target": "es2018",
-      "sourcemap": true,
+      "sourcemap": false,
       "banner": { "js": "/*\n  Human\n  homepage: <https://github.com/vladmandic/human>\n  author: <https://github.com/vladmandic>'\n*/\n" }
     },
     "targets": [
@@ -41,7 +41,6 @@
         "format": "cjs",
         "input": "tfjs/tf-node.ts",
         "output": "dist/tfjs.esm.js",
-        "sourcemap": false,
         "external": ["@tensorflow"]
       },
       {
@@ -50,7 +49,6 @@
         "format": "cjs",
         "input": "src/human.ts",
         "output": "dist/human.node.js",
-        "sourcemap": false,
         "external": ["@tensorflow"]
       },
       {
@@ -59,7 +57,6 @@
         "format": "cjs",
         "input": "tfjs/tf-node-gpu.ts",
         "output": "dist/tfjs.esm.js",
-        "sourcemap": false,
         "external": ["@tensorflow"]
       },
       {
@@ -68,7 +65,6 @@
         "format": "cjs",
         "input": "src/human.ts",
         "output": "dist/human.node-gpu.js",
-        "sourcemap": false,
         "external": ["@tensorflow"]
       },
       {
@@ -77,7 +73,6 @@
         "format": "cjs",
         "input": "tfjs/tf-node-wasm.ts",
         "output": "dist/tfjs.esm.js",
-        "sourcemap": false,
         "external": ["@tensorflow"]
       },
       {
@@ -86,7 +81,6 @@
         "format": "cjs",
         "input": "src/human.ts",
         "output": "dist/human.node-wasm.js",
-        "sourcemap": false,
         "external": ["@tensorflow"]
       },
       {
@@ -95,7 +89,6 @@
         "format": "esm",
         "input": "tfjs/tf-browser.ts",
         "output": "dist/tfjs.esm.js",
-        "sourcemap": false,
         "external": ["@tensorflow", "fs", "os", "buffer", "util"]
       },
       {
@@ -113,8 +106,7 @@
         "format": "esm",
         "input": "tfjs/tf-browser.ts",
         "output": "dist/tfjs.esm.js",
-        "sourcemap": false,
-        "minify": true,
+        "sourcemap": true,
         "external": ["fs", "os", "buffer", "util"]
       },
       {
@@ -123,7 +115,6 @@
         "format": "iife",
         "input": "src/human.ts",
         "output": "dist/human.js",
-        "sourcemap": false,
         "minify": true,
         "external": ["fs", "os", "buffer", "util"]
       },