diff --git a/packages/obsidian-testing-framework/package.json b/packages/obsidian-testing-framework/package.json
index adc05dd..a51ca7e 100644
--- a/packages/obsidian-testing-framework/package.json
+++ b/packages/obsidian-testing-framework/package.json
@@ -14,6 +14,9 @@
     "typescript": "^5.6.3",
     "xvfb-maybe": "^0.2.1"
   },
+  "files": [
+    "./lib"
+  ],
   "version": "0.0.1",
   "exports": {
     ".": {
@@ -34,10 +37,11 @@
   "scripts": {
     "build": "tsc",
     "lint": "tslint -c tslint.json src/**/*.ts",
-    "prepublish": "npm run build"
+    "prepare": "yarn rimraf lib && yarn build"
   },
   "devDependencies": {
     "@types/tmp": "^0",
+    "rimraf": "^6.0.1",
     "vitest": "^2.1.3"
   },
   "type": "module"