diff --git a/changelog.md b/changelog.md
index edb6705..d030717 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,3 +1,6 @@
+## V3.0.3
+- Fix sourcemap
+
 ## V3.0.2
 - Do not emit .d.ts for files outside of build root
 
diff --git a/lib/css.helper.js b/lib/css.helper.js
index 927485d..edc407a 100644
--- a/lib/css.helper.js
+++ b/lib/css.helper.js
@@ -3,11 +3,10 @@ import { dirname, relative, resolve } from 'node:path';
 import {
   contentPlaceholder,
   digestPlaceholder,
-  emptySourceMap,
   pluginCssNamespace,
   validateNamedExport
 } from './utils.js';
-import { camelCase, sortBy, uniq, uniqBy, upperFirst } from 'lodash-es';
+import { camelCase, sortBy, uniqBy, upperFirst } from 'lodash-es';
 import { injectorVirtualPath, pluginJsNamespace } from './utils.js';
 import { readFileSync } from 'node:fs';
 
@@ -235,9 +234,6 @@ ${uniqNames.map(([o, l]) => `  "${o}": ${l}`).join(',\n')}
       `);
     }
 
-    // https://github.com/evanw/esbuild/issues/1227
-    jsLines.push(`//${emptySourceMap}`);
-
     const jsContents = jsLines.join('\n');
 
     return { js: jsContents, dts: emitDts ? dtsLines.join('\n') : undefined };
@@ -268,12 +264,14 @@ ${uniqNames.map(([o, l]) => `  "${o}": ${l}`).join(',\n')}
       },
       errorRecovery: true,
       minify: false,
-      sourceMap: !!this.build.initialOptions.sourcemap,
+      sourceMap: false,
       projectRoot: this.build.context.buildRoot,
       targets: {
         chrome: 112 << 16
       }
     };
+    /** @type {{code: Buffer, exports: import('lightningcss').CSSModuleExports}} */
+    // @ts-ignore
     const r = bundleModulesCss(bundleCssConfig);
 
     const t = transform({ ...bundleCssConfig, code: readFileSync(fullpath) });
@@ -289,7 +287,7 @@ ${uniqNames.map(([o, l]) => `  "${o}": ${l}`).join(',\n')}
       });
     });
 
-    const { code, map: sourcemap, exports } = r;
+    const { code, exports } = r;
 
     let originCss = code ? code.toString('utf8') : '';
 
@@ -324,15 +322,10 @@ ${uniqNames.map(([o, l]) => `  "${o}": ${l}`).join(',\n')}
       originCss = outputFiles.find((f) => f.path.endsWith(`stdin.css`))?.text ?? originCss;
     }
 
-    const css =
-      originCss +
-      (sourcemap
-        ? `\n/*# sourceMappingURL=data:application/json;base64,${sourcemap.toString('base64')} */`
-        : '');
     const { js, dts } = this.genModulesJs(exports, fullpath, !!opt?.emitDeclarationFile);
     /** @type {{css: string; js: string; dts?: string; composedFiles: string[]}} */
     const result = {
-      css,
+      css: originCss,
       composedFiles,
       js,
       dts
diff --git a/lib/utils.js b/lib/utils.js
index 2ccc568..47f52bd 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -168,9 +168,6 @@ const validateNamedExport = (name) => {
   return !jsKeywords.includes(name);
 };
 
-const emptySourceMap =
-  '# sourceMappingURL=data:application/json;base64,eyJ2ZXJzaW9uIjozLCJzb3VyY2VzIjpbIiJdLCJtYXBwaW5ncyI6IkEifQ==';
-
 const contentPlaceholder = '__content_placeholder__';
 const digestPlaceholder = '__digest_placeholder__';
 
@@ -234,7 +231,6 @@ export {
   getBuildId,
   validateNamedExport,
   getPackageInfo,
-  emptySourceMap,
   contentPlaceholder,
   digestPlaceholder,
   relativeToCwd,
diff --git a/package.json b/package.json
index ec40ad8..ea75e6f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "esbuild-css-modules-plugin",
-  "version": "3.0.2",
+  "version": "3.0.3",
   "description": "A esbuild plugin to bundle css modules into js(x)/ts(x), based on extremely fast [Lightning CSS](https://lightningcss.dev/)",
   "main": "./index.cjs",
   "module": "./index.js",
@@ -38,14 +38,13 @@
   "devDependencies": {
     "@types/lodash-es": "^4.17.7",
     "@types/node": "^17.0.23",
-    "esbuild": "^0.19.2"
+    "esbuild": "^0.19.4"
   },
   "peerDependencies": {
     "esbuild": "*"
   },
   "dependencies": {
-    "lightningcss": "^1.21.7",
-    "lodash": "^4.17.21",
+    "lightningcss": "^1.22.0",
     "lodash-es": "^4.17.21"
   },
   "publishConfig": {