diff --git a/package.json b/package.json
index c5bd768..6c55ad4 100644
--- a/package.json
+++ b/package.json
@@ -18,6 +18,7 @@
   "scripts": {
     "build": "coffee -c -o build/ src/",
     "prepare": "npm run build",
+    "prepublishOnly": "npm run update-cli-docs",
     "test": "npm run build && node src/test.js",
     "update-cli-docs": "node -e \"const fs = require('fs'); fs.writeFileSync('README.md', fs.readFileSync('README.md', 'utf8').replace(/```HELP_OUTPUT.+?```/s, '```HELP_OUTPUT\\n' + require('child_process').execSync('ascii-hypercube --help').toString().trim() + '\\n```'))\""
   },