diff --git a/diff.js b/diff.js
index 291a3c9425..d3163c4525 100644
--- a/diff.js
+++ b/diff.js
@@ -50,6 +50,7 @@ execute('git diff --name-only ' + versionFrom, function (stdout) {
     fileList.push('client/espo.min.js');
     
     fileList.push('client/css/espo.min.css');
+    fileList.push('client/css/bootstrap.css');
     
     fs.writeFileSync(diffFilePath, fileList.join('\n'));