diff --git a/packages/vscode-tailwindcss/package.json b/packages/vscode-tailwindcss/package.json
index 22c71aa551f84911a61bc4b5029c595d1d8b8ae0..6376707f5371394c586a71279072fb17d7b879b7 100755
--- a/packages/vscode-tailwindcss/package.json
+++ b/packages/vscode-tailwindcss/package.json
@@ -49,6 +49,12 @@         "id": "tailwindcss",
         "aliases": [
           "Tailwind CSS"
         ],
+        "extensions": [
+          ".css"
+        ],
+        "mimetypes": [
+          "text/css"
+        ],
         "configuration": "./tailwindcss.language.configuration.json"
       }
     ],