diff --git a/service/postfix/Containerfile b/service/postfix/Containerfile
index 48fd140..07524c9 100644
--- a/service/postfix/Containerfile
+++ b/service/postfix/Containerfile
@@ -1,5 +1,5 @@
 FROM docker.io/debian:bullseye-slim
-ARG VERSION=3.5.6
+ARG VERSION=3.5.13
 
 RUN apt-get update -y && apt-get install -y --no-install-recommends \
     postfix=${VERSION}* postfix-mysql=${VERSION}* syslog-ng-core gettext ca-certificates
diff --git a/service/postfix/container/run-postfix b/service/postfix/container/run-postfix
index bd7f15e..9451988 100755
--- a/service/postfix/container/run-postfix
+++ b/service/postfix/container/run-postfix
@@ -13,4 +13,4 @@ postalias /etc/postfix/aliases
 postfix set-permissions
 
 # Run master daemon for Postfix.
-/usr/lib/postfix/sbin/master -c /etc/postfix -d
+/usr/sbin/postfix -c /etc/postfix start-fg