diff --git a/src/.htaccess.njk b/src/.htaccess.njk
index cf0aeb73..e30835a1 100644
--- a/src/.htaccess.njk
+++ b/src/.htaccess.njk
@@ -4,7 +4,7 @@ eleventyExcludeFromCollections: true
 ---
 ErrorDocument 404 /404.html
 
-<FilesMatch "\.(ico|svg|avif|jpg|png|gif|woff2)$">
+<FilesMatch "\.(ico|svg|avif|webp|jpg|png|gif|woff2)$">
 Header set Cache-Control "max-age=31536000, public"
 </FilesMatch>
 <FilesMatch "\.(css|js)$">