diff --git a/wwwroot/lib/semantic/package.json b/wwwroot/lib/semantic/package.json
index dad7ba1..061e338 100644
--- a/wwwroot/lib/semantic/package.json
+++ b/wwwroot/lib/semantic/package.json
@@ -65,7 +65,7 @@
     "gulp-help": "^1.6.1",
     "gulp-if": "^2.0.1",
     "gulp-json-editor": "^2.2.1",
-    "gulp-less": "^3.1.0",
+    "gulp-less": "^5.0.0",
     "gulp-minify-css": "^1.2.4",
     "gulp-notify": "^2.2.0",
     "gulp-plumber": "^1.1.0",