diff --git a/package.json b/package.json
index 3b7f8f2e..7d7b36a5 100644
--- a/package.json
+++ b/package.json
@@ -310,6 +310,7 @@
 						"typescript",
 						"typescriptreact",
 						"html",
+						"mdx",
 						"vue",
 						"markdown"
 					],
diff --git a/server/src/eslint.ts b/server/src/eslint.ts
index 572a28a2..58f2b00a 100644
--- a/server/src/eslint.ts
+++ b/server/src/eslint.ts
@@ -755,6 +755,7 @@ export namespace ESLint {
 		['json', 'jsonc'],
 		['json5', 'jsonc'],
 		['jsonc', 'jsonc'],
+		['mdx', 'mdx'],
 		['vue', 'vue'],
 		['markdown', 'markdown']
 	]);