diff --git a/.tool-versions b/.tool-versions
new file mode 100644
index 0000000..ba4cc25
--- /dev/null
+++ b/.tool-versions
@@ -0,0 +1 @@
+nodejs 16.13.1
diff --git a/package.json b/package.json
index 6e11955..b06eb8b 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
     "dist"
   ],
   "scripts": {
-    "build": "npm run clean && tsc",
+    "build": "npm run clean && tsc && cp -r data ./dist/data",
     "clean": "rimraf dist",
     "collectCoverage": "jest --collectCoverage",
     "format": "prettier --write \"src/*.{js,ts,json,md}\"",