diff --git a/.changeset/green-llamas-turn.md b/.changeset/green-llamas-turn.md
new file mode 100644
index 0000000..1b38f58
--- /dev/null
+++ b/.changeset/green-llamas-turn.md
@@ -0,0 +1,5 @@
+---
+'starlight-blog': patch
+---
+
+Adds support for passing [`Infinity`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Infinity) to the [`postCount`](https://starlight-blog-docs.vercel.app/configuration#postcount) and [`recentPostCount`](https://starlight-blog-docs.vercel.app/configuration#recentpostcount) configuration options.
diff --git a/packages/starlight-blog/libs/config.ts b/packages/starlight-blog/libs/config.ts
index a8877ea..ab3c53d 100644
--- a/packages/starlight-blog/libs/config.ts
+++ b/packages/starlight-blog/libs/config.ts
@@ -35,11 +35,11 @@ const configSchema = z
     /**
      * The number of blog posts to display per page in the blog post list.
      */
-    postCount: z.number().min(1).default(5),
+    postCount: z.number().min(1).default(5).transform(infinityToMax),
     /**
      * The number of recent blog posts to display in the sidebar.
      */
-    recentPostCount: z.number().min(1).default(10),
+    recentPostCount: z.number().min(1).default(10).transform(infinityToMax),
     /**
      * The title of the blog.
      *
@@ -71,5 +71,9 @@ ${Object.entries(errors.fieldErrors)
   return config.data
 }
 
+function infinityToMax(value: number): number {
+  return value === Infinity ? Number.MAX_SAFE_INTEGER : value
+}
+
 export type StarlightBlogUserConfig = z.input<typeof configSchema>
 export type StarlightBlogConfig = z.output<typeof configSchema>