diff --git a/openstax/settings/base.py b/openstax/settings/base.py
index 679805762..16200a2c8 100644
--- a/openstax/settings/base.py
+++ b/openstax/settings/base.py
@@ -428,7 +428,7 @@
     'jpg': 'webp',
     'png': 'webp',
 }
-WAGTAILIMAGES_MAX_UPLOAD_SIZE = 2 * 1024 * 1024  # 2MB
+WAGTAILIMAGES_MAX_UPLOAD_SIZE = 4 * 1024 * 1024  # 4MB
 DATA_UPLOAD_MAX_NUMBER_FIELDS = 10240
 
 WAGTAILADMIN_RICH_TEXT_EDITORS = {