diff --git a/packages/angular/build/src/builders/dev-server/vite-server.ts b/packages/angular/build/src/builders/dev-server/vite-server.ts
index 1b97ea661c70..c39395dfa4a9 100644
--- a/packages/angular/build/src/builders/dev-server/vite-server.ts
+++ b/packages/angular/build/src/builders/dev-server/vite-server.ts
@@ -675,6 +675,7 @@ function getDepOptimizationConfig({
       supported: getFeatureSupport(target, zoneless),
       plugins,
       loader,
+      resolveExtensions: ['.mjs', '.js', '.cjs'],
     },
   };
 }
diff --git a/packages/angular/build/src/tools/esbuild/application-code-bundle.ts b/packages/angular/build/src/tools/esbuild/application-code-bundle.ts
index 696784fd3702..27cc5cccbaf0 100644
--- a/packages/angular/build/src/tools/esbuild/application-code-bundle.ts
+++ b/packages/angular/build/src/tools/esbuild/application-code-bundle.ts
@@ -360,7 +360,7 @@ function getEsBuildCommonOptions(options: NormalizedApplicationBuildOptions): Bu
     format: 'esm',
     assetNames: outputNames.media,
     conditions: ['es2020', 'es2015', 'module'],
-    resolveExtensions: ['.ts', '.tsx', '.mjs', '.js'],
+    resolveExtensions: ['.ts', '.tsx', '.mjs', '.js', '.cjs'],
     metafile: true,
     legalComments: options.extractLicenses ? 'none' : 'eof',
     logLevel: options.verbose && !jsonLogs ? 'debug' : 'silent',
diff --git a/packages/angular/build/src/tools/esbuild/global-scripts.ts b/packages/angular/build/src/tools/esbuild/global-scripts.ts
index 7fa5c4d9fb80..2c178c29953a 100644
--- a/packages/angular/build/src/tools/esbuild/global-scripts.ts
+++ b/packages/angular/build/src/tools/esbuild/global-scripts.ts
@@ -63,7 +63,7 @@ export function createGlobalScriptsBundleOptions(
       assetNames: outputNames.media,
       mainFields: ['script', 'browser', 'main'],
       conditions: ['script'],
-      resolveExtensions: ['.mjs', '.js'],
+      resolveExtensions: ['.mjs', '.js', '.cjs'],
       logLevel: options.verbose && !jsonLogs ? 'debug' : 'silent',
       metafile: true,
       minify: optimizationOptions.scripts,