diff --git a/.github/workflows/pr-validation.yml b/.github/workflows/pr-validation.yml
index b42a4bf..a712a9d 100644
--- a/.github/workflows/pr-validation.yml
+++ b/.github/workflows/pr-validation.yml
@@ -26,5 +26,7 @@ jobs:
         npm run lint
         npm run test
         npm run build
+        node  packages/oas/bin/index.js
+        node  packages/mcp/bin/index.js
       env:
         CI: true
\ No newline at end of file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 17e9fe1..94de692 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,14 @@
 # Changelog
 
+## [v0.0.3] - HOTFIX
+
+commit [#]()
+
+### HOTFIX
+
+- Fixed built transpiled code to use .js extension.
+- Added check step in build pipeline to prevent issue again.
+
 ## [v0.0.2] - 2026-02-19
 
 commit [#]()
diff --git a/eslint.config.mjs b/eslint.config.mjs
index 87ee2b7..c5741ee 100644
--- a/eslint.config.mjs
+++ b/eslint.config.mjs
@@ -4,6 +4,7 @@ import spacing from '@stylistic/eslint-plugin';
 
 /** @type {import('eslint').Linter.FlatConfig[]} */
 export default [
+  { ignores: ['**/bin/**'] },
   spacing.configs.recommended,
   {
     files: ['**/*.{js,ts,mjs}'],
diff --git a/package.json b/package.json
index bab6a12..8e7c3b1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "express-tools",
-    "version": "0.0.2",
+    "version": "0.0.3",
     "description": "Enhances express APIs",
     "private": true,
     "workspaces": [
diff --git a/packages/mcp/package.json b/packages/mcp/package.json
index df2a430..7dd8832 100644
--- a/packages/mcp/package.json
+++ b/packages/mcp/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@express-tools/mcp",
-    "version": "0.0.2",
+    "version": "0.0.3",
     "description": "MCP plugin for express",
     "license": "Apache-2.0",
     "main": "bin/index.js",
@@ -31,7 +31,7 @@
     },
     "typings": "types.d.ts",
     "scripts": {
-        "build": "rm -rf ./bin && mkdir ./bin && tsc --project ./tsconfig.json",
+        "build": "rm -rf ./bin && mkdir ./bin && tsc --project ./tsconfig.json && find ./bin -name '*.js' -exec sed -i \"s/\\.ts'/\\.js'/g; s/\\.ts\\\"/\\.js\\\"/g\" {} \\;",
         "test:unit": "node --test src/*.test.ts",
         "test:integration": "node --test tests/integration/*.test.ts",
         "test": "npm run test:unit && npm run test:integration",
diff --git a/packages/oas/package.json b/packages/oas/package.json
index bde2af3..3bac419 100644
--- a/packages/oas/package.json
+++ b/packages/oas/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@express-tools/oas",
-    "version": "0.0.2",
+    "version": "0.0.3",
     "description": "OpenAPI plugin for express",
     "license": "Apache-2.0",
     "main": "bin/index.js",
@@ -31,7 +31,7 @@
     },
     "typings": "types.d.ts",
     "scripts": {
-        "build": "rm -rf ./bin && mkdir ./bin && tsc --project ./tsconfig.json",
+        "build": "rm -rf ./bin && mkdir ./bin && tsc --project ./tsconfig.json && find ./bin -name '*.js' -exec sed -i \"s/\\.ts'/\\.js'/g; s/\\.ts\\\"/\\.js\\\"/g\" {} \\;",
         "test:unit": "node --test src/*.test.ts",
         "test:integration": "node --test tests/integration/*.test.ts",
         "test": "npm run test:unit && npm run test:integration",