diff --git a/_config.ts b/_config.ts
index a9797de..3f00033 100644
--- a/_config.ts
+++ b/_config.ts
@@ -20,7 +20,13 @@ site.ignore("README.md", "README.org", "LICENSE.txt", "LICENSE.md");
 
 site.copy("static", ".");
 
-site.copy([".png", ".jpg", ".jpeg"]);
+site.copy([
+  ".avif",
+  ".jpeg",
+  ".jpg",
+  ".png",
+  ".webp",
+]);
 
 site.use(jsx());
 site.use(nav());