diff --git a/custom/functions.php b/custom/functions.php
index a243fad..60304a5 100644
--- a/custom/functions.php
+++ b/custom/functions.php
@@ -15,3 +15,13 @@
  * functions.php
  * Add PHP snippets here
  */
+ function allow_modern_images( $mime_types ) {
+ $mime_types['heic'] = 'image/heic';
+ $mime_types['heif'] = 'image/heif';
+ $mime_types['heics'] = 'image/heic-sequence';
+ $mime_types['heifs'] = 'image/heif-sequence';
+ $mime_types['avif'] = 'image/avif';
+ $mime_types['avifs'] = 'image/avif-sequence';
+ return $mime_types;
+}
+add_filter( 'upload_mimes', 'allow_modern_images');