diff --git a/types/index.d.ts b/types/index.d.ts
index 85302c6b2b71..93e29f8d4c80 100644
--- a/types/index.d.ts
+++ b/types/index.d.ts
@@ -1,3 +1,3 @@
-declare module "prettier" {
+declare module "@observablehq/prettier" {
   export * from "prettier";
 }