diff --git a/package.json b/package.json
index d09fb634d..9283be65a 100644
--- a/package.json
+++ b/package.json
@@ -126,7 +126,7 @@
     "language-clojure": "0.21.0",
     "language-coffee-script": "0.47.2",
     "language-csharp": "0.12.1",
-    "language-css": "0.39.0",
+    "language-css": "0.40.0",
     "language-gfm": "0.88.0",
     "language-git": "0.15.0",
     "language-go": "0.42.1",