diff --git a/.changeset/great-lemons-carry.md b/.changeset/great-lemons-carry.md
new file mode 100644
index 0000000..974cb6d
--- /dev/null
+++ b/.changeset/great-lemons-carry.md
@@ -0,0 +1,5 @@
+---
+'@commencis/cli': patch
+---
+
+feat: update package.json initial values on generation
diff --git a/src/constants/index.ts b/src/constants/index.ts
index 7f33bb8..dc8766b 100644
--- a/src/constants/index.ts
+++ b/src/constants/index.ts
@@ -1,2 +1,3 @@
 export * from './commencisLogo';
+export * from './package';
 export * from './template';
diff --git a/src/constants/package.ts b/src/constants/package.ts
new file mode 100644
index 0000000..5712ebb
--- /dev/null
+++ b/src/constants/package.ts
@@ -0,0 +1,5 @@
+export const PACKAGE_DEFAULTS = {
+  version: '1.0.0',
+  license: 'UNLICENSED',
+  private: true,
+};
diff --git a/src/helpers/updatePackageData.ts b/src/helpers/updatePackageData.ts
index 13b0ef7..bf88210 100644
--- a/src/helpers/updatePackageData.ts
+++ b/src/helpers/updatePackageData.ts
@@ -1,6 +1,8 @@
 import fs from 'node:fs/promises';
 import path from 'node:path';
 
+import { PACKAGE_DEFAULTS } from '@/constants';
+
 export async function updatePackageData(
   directoryPath: string,
   projectName: string
@@ -8,13 +10,28 @@ export async function updatePackageData(
   try {
     const packageJsonPath = path.join(directoryPath, 'package.json');
     const packageJsonData = await fs.readFile(packageJsonPath, 'utf-8');
-    const packageJson = JSON.parse(packageJsonData);
-    const templateVersion = packageJson.version;
 
-    packageJson.name = projectName;
-    packageJson.version = '1.0.0';
+    const {
+      name: _name,
+      license: _license,
+      description: _description,
+      author: _author,
+      version: templateVersion,
+      build,
+      ...originalPackageJsonData
+    } = JSON.parse(packageJsonData);
+
+    const updatedPackageJson = {
+      name: projectName,
+      version: PACKAGE_DEFAULTS.version,
+      build,
+      license: PACKAGE_DEFAULTS.license,
+      private: PACKAGE_DEFAULTS.private,
+      ...originalPackageJsonData,
+    };
 
-    const formattedPackageJson = JSON.stringify(packageJson, null, 2) + '\n';
+    const formattedPackageJson =
+      JSON.stringify(updatedPackageJson, null, 2) + '\n';
 
     await fs.writeFile(packageJsonPath, formattedPackageJson, 'utf-8');
     return { templateVersion };