diff --git a/.gitignore b/.gitignore
index dfb4f1a..d4d0b62 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,5 @@ node_modules/
 npm-shrinkwrap.json
 package-lock.json
 yarn.lock
+
+.npmignore
diff --git a/package.json b/package.json
index 580cc37..6fd5e50 100644
--- a/package.json
+++ b/package.json
@@ -7,6 +7,7 @@
 		"faucet": "bin/cmd.js"
 	},
 	"scripts": {
+		"prepack": "npmignore --auto --commentLines=autogenerated",
 		"lint": "eslint --ext=js,mjs .",
 		"pretest": "npm run lint",
 		"tests-only": "tape test/**/*.js | node bin/cmd",
@@ -51,6 +52,14 @@
 	"license": "MIT",
 	"devDependencies": {
 		"@ljharb/eslint-config": "^21.0.0",
-		"eslint": "=8.8.0"
+		"eslint": "=8.8.0",
+		"npmignore": "^0.3.0"
+	},
+	"publishConfig": {
+		"ignore": [
+			".github/workflows",
+			"images/",
+			"example/"
+		]
 	}
 }