diff --git a/README.md b/README.md
index 8897195..449f135 100644
--- a/README.md
+++ b/README.md
@@ -9,6 +9,11 @@ generated Transition Tables.
 
 ```console
 $ npm install
-$ ./node_modules/.bin/tsc
 $ iexplore.exe index.html
 ```
+
+## In case of rebuild
+
+```console
+$ npm run build
+```
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 76b5c0c..9618136 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,6 +7,7 @@
     "": {
       "name": "autocell",
       "version": "1.0.0",
+      "hasInstallScript": true,
       "license": "MIT",
       "devDependencies": {
         "typescript": "^5.0.4"
diff --git a/package.json b/package.json
index 4707e09..8431850 100644
--- a/package.json
+++ b/package.json
@@ -4,7 +4,8 @@
   "description": "Cellular Automata Experiment",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "postinstall": "npm run build",
+    "build": "tsc"
   },
   "author": "Alexey Kutepov <reximkut@gmail.com>",
   "license": "MIT",