diff --git a/src/content/_schemas.ts b/src/content/_schemas.ts
index 8786ebf..4d3fab7 100644
--- a/src/content/_schemas.ts
+++ b/src/content/_schemas.ts
@@ -1,7 +1,7 @@
 import { z } from "astro:content";
 
 export const blogSchema = z.object({
-  author: z.string(),
+  author: z.string().optional(),
   pubDatetime: z.date(), // z.string().datetime() only available in Zod v3.20.2
   title: z.string(),
   postSlug: z.string().optional(),