diff --git a/lib/pipeline/babel-loader-overrides.js b/lib/pipeline/babel-loader-overrides.js
index de4fa62aa..a9c5c75a5 100644
--- a/lib/pipeline/babel-loader-overrides.js
+++ b/lib/pipeline/babel-loader-overrides.js
@@ -1,11 +1,11 @@
 /**
  * This source code was adapted from:
- * https://github.com/facebook/create-react-app/blob/72d4ab02922c54b80126da2e132f60fdbdc2f6b3/packages/babel-preset-react-app/webpack-overrides.js
+ * https://github.com/facebook/create-react-app/blob/v2.0.4/packages/babel-preset-react-app/webpack-overrides.js
  *
  * Copyright (c) 2015-present, Facebook, Inc.
  *
  * The MIT license for this code may be found on GitHub:
- * https://github.com/facebook/create-react-app/blob/72d4ab02922c54b80126da2e132f60fdbdc2f6b3/LICENSE
+ * https://github.com/facebook/create-react-app/blob/v2.0.4/packages/babel-preset-react-app/LICENSE
  */
 
 const crypto = require('crypto');
diff --git a/lib/pipeline/webpack.config.js b/lib/pipeline/webpack.config.js
index 0e6628c9c..041f6fac1 100644
--- a/lib/pipeline/webpack.config.js
+++ b/lib/pipeline/webpack.config.js
@@ -67,7 +67,7 @@ function resolve(pkgName) {
 // -----------------------------------------------------------------------------
 
 // order and options of babel plugins and presets adapted from babel-preset-react-app:
-// see: https://github.com/facebook/create-react-app/blob/72d4ab02922c54b80126da2e132f60fdbdc2f6b3/packages/babel-preset-react-app/create.js
+// see: https://github.com/facebook/create-react-app/tree/v2.0.4/packages/babel-preset-react-app
 // + babel plugins run before babel presets.
 // + babel plugin ordering is first to last.
 // + babel preset ordering is reversed (last to first).