diff --git a/.env.sample b/.env.sample
index 3fca63e..81e6cd3 100644
--- a/.env.sample
+++ b/.env.sample
@@ -23,6 +23,7 @@ SECRET_ADMIN_PASSWORD_VERSION=v1
 EXTRA_VOLUME=/dev/null:/tmp/.dummy
 
 PHP_MEMORY_LIMIT=1G
+PHP_UPLOAD_LIMIT=512M
 # fpm-tune, see: https://spot13.com/pmcalculator/
 FPM_MAX_CHILDREN=16
 FPM_START_SERVERS=4
diff --git a/compose.yml b/compose.yml
index 98efb27..388aacf 100644
--- a/compose.yml
+++ b/compose.yml
@@ -76,6 +76,7 @@ services:
       - OVERWRITEPROTOCOL=https
       - OVERWRITECLIURL=https://${DOMAIN}
       - PHP_MEMORY_LIMIT=${PHP_MEMORY_LIMIT:-1G}
+      - PHP_UPLOAD_LIMIT=${PHP_UPLOAD_LIMIT:-512M}
       - FPM_MAX_CHILDREN=${FPM_MAX_CHILDREN:-131}
       - FPM_START_SERVERS=${FPM_START_SERVERS:-32}
       - FPM_MIN_SPARE_SERVERS=${FPM_MIN_SPARE_SERVERS:-32}