diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..6b02642
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,5 @@
+.github
+src
+node_modules
+tsconfig
+package-lock.json
diff --git a/package.json b/package.json
index 5149008..a707a9b 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,8 @@
   "author": "koyasaeki",
   "main": "lib/index.js",
   "scripts": {
-    "compile": "tsc"
+    "compile": "tsc",
+    "prepublish": "npm run compile"
   },
   "devDependencies": {
     "@types/eslint": "8.44.8",