diff --git a/webpack.config.js b/webpack.config.js
index 4ad5d69bbf..a8363051df 100644
--- a/webpack.config.js
+++ b/webpack.config.js
@@ -229,7 +229,8 @@ export default {
       override: {
         'jquery.are-you-sure@*': {licenseName: 'MIT'},
       },
-      allow: '(Apache-2.0 OR BSD-2-Clause OR BSD-3-Clause OR MIT OR ISC)',
+      emitError: true,
+      allow: '(Apache-2.0 OR BSD-2-Clause OR BSD-3-Clause OR MIT OR ISC OR CPAL-1.0)',
       ignore: [
         'font-awesome',
       ],