diff --git a/.docker/dev/php/snappymail.ini b/.docker/dev/php/snappymail.ini
index 0e54c98d6..04fa36f9b 100644
--- a/.docker/dev/php/snappymail.ini
+++ b/.docker/dev/php/snappymail.ini
@@ -1,6 +1,6 @@
 date.timezone = UTC
-upload_max_filesize = 1G
-post_max_size = 1G
+upload_max_filesize = 24M
+post_max_size = 25M
 
 # log_errors = On
 # display_errors = On
diff --git a/.docker/release/Dockerfile b/.docker/release/Dockerfile
index 76816a3e8..0c7d66ea8 100644
--- a/.docker/release/Dockerfile
+++ b/.docker/release/Dockerfile
@@ -4,7 +4,7 @@ FROM php:7.4-fpm-buster
 ARG FILES_ZIP
 LABEL org.label-schema.description="SnappyMail webmail client image using nginx, php-fpm based on Debian Buster"
 
-ENV UID=991 GID=991 UPLOAD_MAX_SIZE=50M LOG_TO_STDERR=true MEMORY_LIMIT=128M SECURE_COOKIES=true
+ENV UID=991 GID=991 UPLOAD_MAX_SIZE=25M LOG_TO_STDERR=true MEMORY_LIMIT=128M SECURE_COOKIES=true
 ENV fpm.pool.clear_env=false
 
 # Install dependencies such as nginx