diff --git a/wwwroot/lib/semantic/package.json b/wwwroot/lib/semantic/package.json
index dad7ba1..e82cf8d 100644
--- a/wwwroot/lib/semantic/package.json
+++ b/wwwroot/lib/semantic/package.json
@@ -53,7 +53,7 @@
     "del": "^2.2.0",
     "extend": "^3.0.0",
     "gulp": "^3.9.1",
-    "gulp-autoprefixer": "^3.1.0",
+    "gulp-autoprefixer": "^8.0.0",
     "gulp-chmod": "^1.3.0",
     "gulp-clone": "^1.0.0",
     "gulp-concat": "^2.6.0",
@@ -73,7 +73,7 @@
     "gulp-prompt": "^0.2.0",
     "gulp-rename": "^1.2.2",
     "gulp-replace": "^0.5.4",
-    "gulp-rtlcss": "^1.0.0",
+    "gulp-rtlcss": "^2.0.0",
     "gulp-uglify": "^1.5.3",
     "gulp-util": "^3.0.7",
     "gulp-watch": "^4.3.5",