diff --git a/lib/constants.js b/lib/constants.js
index 1cca283..260ccd7 100644
--- a/lib/constants.js
+++ b/lib/constants.js
@@ -410,6 +410,11 @@ export const LANGUAGES = [
     name: 'TOML',
     mode: 'toml'
   },
+  {
+    name: 'Turtle',
+    mode: 'turtle',
+    mime: 'text/turtle'
+  },
   {
     name: 'TypeScript',
     mode: 'javascript',