diff --git a/package.json b/package.json
index 421bc65..814933f 100644
--- a/package.json
+++ b/package.json
@@ -30,7 +30,7 @@
     "gulp": "^3.9.0",
     "gulp-autoprefixer": "^3.0.2",
     "gulp-cached": "^1.1.0",
-    "gulp-csso": "^2.0.0",
+    "gulp-csso": "^3.0.0",
     "gulp-if": "^2.0.0",
     "gulp-jade": "^1.1.0",
     "gulp-jscs": "^4.0.0",