diff --git a/package.json b/package.json
index 863bcb55..827c2f0a 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "clean-css": "^3.4.8",
     "cli": "^1.0.1",
     "debug": "^2.2.0",
-    "filter-css": "^0.1.0",
+    "filter-css": "^1.0.0",
     "finalhandler": "^0.5.0",
     "fs-extra": "^0.30.0",
     "get-port": "^2.1.0",