diff --git a/images/dovecot/Dockerfile b/images/dovecot/Dockerfile
index 8e2b7678e9c8ba877b54fdb9f99b42705324c87c..228852a7042e8207bf294357d8dd622824d1ad98 100644
--- a/images/dovecot/Dockerfile
+++ b/images/dovecot/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.16.1
+FROM docker.io/library/alpine:3.16.2
 
 # Update base system
 RUN apk update
diff --git a/images/postfix/Dockerfile b/images/postfix/Dockerfile
index 9a4e9a5eb3439f46536046fef5f46c272a6cc0cd..4a108674e8e98795f0cdad3384f7fba0dcf42294 100644
--- a/images/postfix/Dockerfile
+++ b/images/postfix/Dockerfile
@@ -1,4 +1,4 @@
-FROM docker.io/library/alpine:3.16.1
+FROM docker.io/library/alpine:3.16.2
 
 # Install pre-requirements
 RUN apk update