diff --git a/package.json b/package.json
index 63ec8aa53..cd3ba9491 100644
--- a/package.json
+++ b/package.json
@@ -113,7 +113,7 @@
     "wrap-guide": "0.23.0",
     "language-c": "0.28.0",
     "language-coffee-script": "0.35.0",
-    "language-css": "0.20.0",
+    "language-css": "0.21.0",
     "language-gfm": "0.51.0",
     "language-git": "0.9.0",
     "language-go": "0.18.0",