diff --git a/src/WebApp/gulpfile.js b/src/WebApp/gulpfile.js
index d0f7fa06..0ba90359 100644
--- a/src/WebApp/gulpfile.js
+++ b/src/WebApp/gulpfile.js
@@ -20,14 +20,14 @@ var paths = {
     concatCssDest: webroot + "css/site.min.css"
 };
 
-gulp.task("min:js", function () {
+gulp.task("min:js", async function () {
     return gulp.src([paths.js, "!" + paths.minJs], { base: "." })
         .pipe(concat(paths.concatJsDest))
         .pipe(uglify())
         .pipe(gulp.dest("."));
 });
 
-gulp.task("min:css", function () {
+gulp.task("min:css", async function () {
     return gulp.src([paths.css, "!" + paths.minCss])
         .pipe(concat(paths.concatCssDest))
         .pipe(cssmin())