diff --git a/core/admin/Dockerfile b/core/admin/Dockerfile
index 4267f3b1..3dcdd944 100644
--- a/core/admin/Dockerfile
+++ b/core/admin/Dockerfile
@@ -1,5 +1,5 @@
 # First stage to build assets
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 ARG ARCH=""
 
 FROM ${ARCH}node:16 as assets
diff --git a/core/dovecot/Dockerfile b/core/dovecot/Dockerfile
index 4663d351..7ba2baf2 100644
--- a/core/dovecot/Dockerfile
+++ b/core/dovecot/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 
 FROM $DISTRO
 ARG VERSION
diff --git a/core/nginx/Dockerfile b/core/nginx/Dockerfile
index 434f72eb..eb8180f0 100644
--- a/core/nginx/Dockerfile
+++ b/core/nginx/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 FROM $DISTRO
 ARG VERSION
 
diff --git a/core/none/Dockerfile b/core/none/Dockerfile
index df5833ce..c22c3bf6 100644
--- a/core/none/Dockerfile
+++ b/core/none/Dockerfile
@@ -1,6 +1,6 @@
 # This is an idle image to dynamically replace any component if disabled.
 
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 FROM $DISTRO
 
 CMD sleep 1000000d
diff --git a/core/postfix/Dockerfile b/core/postfix/Dockerfile
index 6f2519db..a9b8df1a 100644
--- a/core/postfix/Dockerfile
+++ b/core/postfix/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 
 FROM $DISTRO
 ARG VERSION
diff --git a/optional/clamav/Dockerfile b/optional/clamav/Dockerfile
index 477cf89d..53a4b198 100644
--- a/optional/clamav/Dockerfile
+++ b/optional/clamav/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 FROM $DISTRO
 ARG VERSION
 
diff --git a/optional/fetchmail/Dockerfile b/optional/fetchmail/Dockerfile
index 37379521..fe582088 100644
--- a/optional/fetchmail/Dockerfile
+++ b/optional/fetchmail/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 FROM $DISTRO
 ARG VERSION
 
diff --git a/optional/radicale/Dockerfile b/optional/radicale/Dockerfile
index 10d10ea0..b31439ef 100644
--- a/optional/radicale/Dockerfile
+++ b/optional/radicale/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 FROM $DISTRO
 ARG VERSION
 
diff --git a/optional/unbound/Dockerfile b/optional/unbound/Dockerfile
index 21ba9571..5a6bc38a 100644
--- a/optional/unbound/Dockerfile
+++ b/optional/unbound/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 FROM $DISTRO
 ARG VERSION
 
diff --git a/setup/Dockerfile b/setup/Dockerfile
index cc5f0fd3..4a0f355b 100644
--- a/setup/Dockerfile
+++ b/setup/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.3
+ARG DISTRO=alpine:3.14.4
 FROM $DISTRO
 ARG VERSION
 ENV TZ Etc/UTC