diff --git a/esbuild.cjs b/esbuild.cjs
index 8dedee84..6530743c 100644
--- a/esbuild.cjs
+++ b/esbuild.cjs
@@ -3,6 +3,7 @@ const { build } = require('esbuild');
 build({
     bundle: true,
     minify: true,
+    sourcemap: 'external',
     platform: 'node',
     entryPoints: ['src/index.ts'],
     outfile: 'dist/index.js',