diff --git a/packages/angular/build/src/tools/javascript-transformer/javascript-transformer-worker.ts b/packages/angular/build/src/tools/javascript-transformer/javascript-transformer-worker.ts
index 99ef235f3279..87df19ee81eb 100644
--- a/packages/angular/build/src/tools/javascript-transformer/javascript-transformer-worker.ts
+++ b/packages/angular/build/src/tools/javascript-transformer/javascript-transformer-worker.ts
@@ -6,7 +6,7 @@
  * found in the LICENSE file at https://angular.dev/license
  */
 
-import remapping, { type DecodedSourceMap, type EncodedSourceMap } from '@ampproject/remapping';
+import type { DecodedSourceMap, EncodedSourceMap } from '@ampproject/remapping';
 import type { PluginItem } from '@babel/core';
 import { createRequire } from 'node:module';
 import { workerData } from 'node:worker_threads';
@@ -52,6 +52,8 @@ let babelLinkerDeps:
     >
   | undefined;
 
+let remapping: typeof import('@ampproject/remapping').default | undefined;
+
 const textDecoder = new TextDecoder();
 const textEncoder = new TextEncoder();
 
@@ -253,6 +255,7 @@ async function transformJavaScriptImpl(
       }
 
       if (remappingChain.length > 0) {
+        remapping ??= (await import('@ampproject/remapping')).default;
         const finalMap = remapping(remappingChain, () => null).toString();
         const base64Map = Buffer.from(finalMap).toString('base64');
         code += `\n//# sourceMappingURL=data:application/json;charset=utf-8;base64,${base64Map}`;