diff --git a/package.json b/package.json
index 8ef0706300b170c06eb227d695f4e09b516f38c4..e2a9d234873fb8829efd3ecb026f281ce766c0d4 100644
--- a/package.json
+++ b/package.json
@@ -18,7 +18,8 @@
     "start": "bun dist/cli/index.js",
     "lint": "bun run --silent typecheck",
     "test": "bun test",
-    "typecheck": "tsc --noEmit"
+    "typecheck": "tsc --noEmit",
+    "prepublishOnly": "bun run build"
   },
   "dependencies": {
     "@mariozechner/pi-agent-core": "^0.52.8",