diff --git a/types/babylon/index.d.ts b/types/babylon/index.d.ts
index 07eb74bb32..b179f6f357 100644
--- a/types/babylon/index.d.ts
+++ b/types/babylon/index.d.ts
@@ -46,6 +46,7 @@ export type PluginName =
     'estree' |
     'jsx' |
     'flow' |
+    'typescript' |
     'classConstructorCall' |
     'doExpressions' |
     'objectRestSpread' |