diff --git a/package.json b/package.json
index 920b62e..b738d59 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "format:check": "prettier --check src/ test.mjs test-cjs.cjs eslint.config.mjs tsup.config.ts",
     "pretest": "tsup",
     "test": "node --test test.mjs && node --test test-cjs.cjs",
-    "prepublishOnly": "tsup",
+    "prepack": "pnpm run build",
     "coverage": "c8 --reporter=lcov --reporter=text node test.mjs",
     "docs": "typedoc --out .github/wiki/api src/index.ts",
     "postbuild": "cp dist/index.d.ts dist/index.d.mts"