diff --git a/social.yaml b/social.yaml
index c32486a8c8..72ec123530 100644
--- a/social.yaml
+++ b/social.yaml
@@ -60,6 +60,8 @@ parameters:
       ssl:
 
     attachments:
+      max_width: 4096
+      max_height: 4096
       server:
       ssl:
       dir: "%kernel.project_dir%/file/attachments/"