diff --git a/scripts/patch.ts b/scripts/patch.ts
index 011f9ed..55f6e1a 100644
--- a/scripts/patch.ts
+++ b/scripts/patch.ts
@@ -18,6 +18,14 @@ const n2$D = node2.getMatch('D')!.text()
 const edit1 = node2.replace(`${n2$A}.use(${n2$D}).use`)
 const transformed = root.commitEdits([edit1]).toString()
 
+try {
+  await Deno.mkdir('./vendor', { recursive: true })
+} catch (err) {
+  if (!(err instanceof Deno.errors.AlreadyExists)) {
+    throw err
+  }
+}
+
 await Deno.writeTextFile('./vendor/prettier-plugin-markdown.js', transformed)
 await Deno.writeTextFile(
   './vendor/prettier-plugin-markdown.d.ts',