diff --git a/images/dovecot/Dockerfile b/images/dovecot/Dockerfile
index e3344fe93650fa833726c17ef014e43d59de82f8..8e2b7678e9c8ba877b54fdb9f99b42705324c87c 100644
--- a/images/dovecot/Dockerfile
+++ b/images/dovecot/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.16.0
+FROM docker.io/library/alpine:3.16.1
 
 # Update base system
 RUN apk update
diff --git a/images/postfix/Dockerfile b/images/postfix/Dockerfile
index 03ac284e4e0a2c773ca2b1dccbdf1296b465e41b..9a4e9a5eb3439f46536046fef5f46c272a6cc0cd 100644
--- a/images/postfix/Dockerfile
+++ b/images/postfix/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.16.0
+FROM docker.io/library/alpine:3.16.1
 
 # Install pre-requirements
 RUN apk update