diff --git a/package.json b/package.json
index 1f69bec567b..8bb7e6be4dc 100644
--- a/package.json
+++ b/package.json
@@ -53,12 +53,12 @@
     "gulp-footer": "^1.0.5",
     "gulp-header": "^1.7.1",
     "gulp-if": "^1.2.1",
-    "gulp-imagemin": "^3.3.0",
+    "gulp-imagemin": "^9.1.0",
     "gulp-livereload": "^1.2.0",
     "gulp-load-plugins": "^0.8.0",
     "gulp-minify-css": "^0.3.0",
     "gulp-rename": "^1.2.0",
-    "gulp-sass": "^3.1.0",
+    "gulp-sass": "^5.0.0",
     "gulp-shell": "0.5.1",
     "gulp-size": "^1.0.0",
     "gulp-sourcemaps": "^2.4.1",