плагин gulp-html-version

npm install gulp-html-version --save-dev

var gulp = require('gulp');
var gulpHtmlVersion = require('gulp-html-version');

gulp.task('default', function() {
    return gulp.src('./*.html')
        .pipe(gulpHtmlVersion())
        .pipe(gulp.dest('./build/'));
});

<link rel="stylesheet" href="./example.css">
<script src="./example.js"></script>
<script src="./example1.js?code=utf-8"></script>

<link rel="stylesheet" href="./example.css?v=0.3.2">
<script src="./example.js?v=0.3.2"></script>
<script src="./example1.js?code=utf-8&v=0.3.2"></script>

.pipe(gulpHtmlVersion({
    paramName: 'version',
    paramType: 'timestamp',
    suffix: ['css', 'js', 'jpg']
}))