diff --git a/package.json b/package.json
index 2020a34..53449e0 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "typecheck": "tsc --noEmit",
     "pretest": "tsup",
     "test": "node --test test.mjs && node --test test-cjs.cjs",
-    "prepublishOnly": "tsup",
+    "prepack": "pnpm run build",
     "lint": "eslint .",
     "format": "prettier --write src/",
     "format:check": "prettier --check src/",