diff --git a/src/extension.ts b/src/extension.ts
index 3fd68c4..ac1e71d 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -9,7 +9,7 @@ const Color = require('color')
 
 const CONFIG_GLOB =
   '**/{tailwind,tailwind.config,tailwind-config,.tailwindrc}.js'
-const JS_TYPES = ['typescriptreact', 'javascript', 'javascriptreact']
+const JS_TYPES = ['typescriptreact', 'javascript', 'javascriptreact', 'reason']
 const HTML_TYPES = [
   'html',
   'jade',