diff --git a/.npmignore b/.npmignore
new file mode 100644
index 0000000..b745e75
--- /dev/null
+++ b/.npmignore
@@ -0,0 +1,12 @@
+package/
+coverage/
+.github/
+node_modules/
+vite.config.ts
+tsconfig.json
+*.test.ts
+*.spec.ts
+.vitest/
+.vscode/
+*.log
+*.tgz
\ No newline at end of file
diff --git a/package.json b/package.json
index 7743829..b7f91a3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "kr-corekit",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "description": "A lightweight and modern utility toolkit for JavaScript and TypeScript. kr-corekit provides essential functions for strings, arrays, objects, and more, designed for simplicity and productivity.",
   "keywords": [
     "javascript",
@@ -50,5 +50,8 @@
     "typescript": "~5.8.3",
     "vite": "^7.1.2",
     "vitest": "^3.2.4"
-  }
+  },
+  "files": [
+    "dist"
+  ]
 }