diff --git a/docker/development/etc/php/conf.d/zzz-custom-php.ini b/docker/development/etc/php/conf.d/zzz-custom-php.ini
index 33fb865e0..dcf048904 100644
--- a/docker/development/etc/php/conf.d/zzz-custom-php.ini
+++ b/docker/development/etc/php/conf.d/zzz-custom-php.ini
@@ -7,3 +7,4 @@ ignore_repeated_source = On
 
 upload_max_filesize = 256M
 post_max_size = 256M
+memory_limit = ${PHP_MEMORY_LIMIT:-256M}
diff --git a/docker/production/etc/php/conf.d/zzz-custom-php.ini b/docker/production/etc/php/conf.d/zzz-custom-php.ini
index a2297ad0d..ee18b77e9 100644
--- a/docker/production/etc/php/conf.d/zzz-custom-php.ini
+++ b/docker/production/etc/php/conf.d/zzz-custom-php.ini
@@ -7,3 +7,4 @@ ignore_repeated_source = On
 
 upload_max_filesize = 256M
 post_max_size = 256M
+memory_limit = ${PHP_MEMORY_LIMIT:-256M}