diff --git a/lib/utils.js b/lib/utils.js
index 37a8d11..fa5ce9f 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -107,21 +107,30 @@ const getRootDir = (build) => {
 };
 
 /**
- * getPackageVersion
+ * getPackageInfo
  * @param {import('..').Build} build
- * @returns {string}
+ * @returns {{name: string; version: string;}}
  */
-const getPackageVersion = (build) => {
+const getPackageInfo = (build) => {
   const rootDir = getRootDir(build);
   const packageJsonFile = path.resolve(rootDir, './package.json');
   try {
     fs.accessSync(packageJsonFile, fs.constants.R_OK);
-    return require(packageJsonFile).version ?? '';
+    return require(packageJsonFile);
   } catch (error) {
-    return '';
+    return { name: '', version: '' };
   }
 };
 
+/**
+ * getPackageVersion
+ * @param {import('..').Build} build
+ * @returns {string}
+ */
+const getPackageVersion = (build) => {
+  return getPackageInfo(build).version;
+};
+
 /**
  * getRelativePath
  * @description get relative path from build root
@@ -146,7 +155,7 @@ const getRelativePath = (build, to) => {
 const getBuildId = async (build) => {
   const { entryPoints } = build.initialOptions;
   const buildRoot = getRootDir(build);
-  const packageVersion = getPackageVersion(build);
+  const { version: packageVersion, name: packageName } = getPackageInfo(build);
   let entries = [];
   if (Array.isArray(entryPoints)) {
     entries = [...entryPoints];
@@ -157,14 +166,16 @@ const getBuildId = async (build) => {
         entries.push(entryPoints[k]);
       });
   }
-  const entryContents = packageVersion + (
-    await Promise.all(
-      entries.map(async (p) => {
-        const absPath = path.isAbsolute(p) ? p : path.resolve(buildRoot, p);
-        return (await readFile(absPath, { encoding: 'utf8' })).trim();
-      })
-    )
-  ).join('');
+  const entryContents =
+    `// ${packageName}@${packageVersion}\n` +
+    (
+      await Promise.all(
+        entries.map(async (p) => {
+          const absPath = path.isAbsolute(p) ? p : path.resolve(buildRoot, p);
+          return (await readFile(absPath, { encoding: 'utf8' })).trim();
+        })
+      )
+    ).join('\n');
   return createHash('sha256').update(entryContents).digest('hex');
 };
 
@@ -238,5 +249,6 @@ module.exports = {
   getRelativePath,
   getBuildId,
   validateNamedExport,
+  getPackageInfo,
   getPackageVersion
 };
diff --git a/package.json b/package.json
index fa6b345..cf67bfd 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "esbuild-css-modules-plugin",
-  "version": "2.6.1-beta.1",
+  "version": "2.6.2",
   "description": "A esbuild plugin to bundle css modules into js(x)/ts(x).",
   "main": "./index.js",
   "types": "./index.d.ts",
diff --git a/test/package.json b/test/package.json
new file mode 100644
index 0000000..a7be705
--- /dev/null
+++ b/test/package.json
@@ -0,0 +1,5 @@
+{
+  "name": "esbuild-css-modules-plugin-test",
+  "version": "0.0.0",
+  "private": true
+}
\ No newline at end of file
diff --git a/test/styles/app.modules.css.ts b/test/styles/app.modules.css.ts
new file mode 100644
index 0000000..f1c4694
--- /dev/null
+++ b/test/styles/app.modules.css.ts
@@ -0,0 +1,3 @@
+export default {"helloWorld":"app-modules__hello-world_kRpaBq000","someOtherSelector":"app-modules__some-other-selector_kRpaBq000"} as const;
+export const helloWorld = "app-modules__hello-world_kRpaBq000" as const;
+export const someOtherSelector = "app-modules__some-other-selector_kRpaBq000" as const;
diff --git a/test/styles/deep/styles/hello.modules.css.ts b/test/styles/deep/styles/hello.modules.css.ts
new file mode 100644
index 0000000..553b12b
--- /dev/null
+++ b/test/styles/deep/styles/hello.modules.css.ts
@@ -0,0 +1,2 @@
+export default {"helloText":"hello-modules__hello-text_NtWlFa000"} as const;
+export const helloText = "hello-modules__hello-text_NtWlFa000" as const;
diff --git a/test/test.js b/test/test.js
index 1dbc040..f6dc537 100644
--- a/test/test.js
+++ b/test/test.js
@@ -92,7 +92,8 @@ fse.emptyDirSync('./dist');
     },
     plugins: [cssModulesPlugin({
       v2: true,
-      inject: '#my-custom-element-with-shadow-dom'
+      inject: '#my-custom-element-with-shadow-dom',
+      generateTsFile: true
     })],
     logLevel: 'debug'
   });