diff --git a/package.json b/package.json
index 45a6eb7..e39a886 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
   },
   "homepage": "https://github.com/WebReflection/viperHTML#readme",
   "dependencies": {
-    "csso": "^4.0.0",
+    "csso": "^4.0.2",
     "html-escaper": "^2.0.0",
     "htmlparser2": "^4.0.0",
     "uglify-js": "^3.6.3"