diff --git a/core/admin/Dockerfile b/core/admin/Dockerfile
index faa3b125..0952e62f 100644
--- a/core/admin/Dockerfile
+++ b/core/admin/Dockerfile
@@ -1,5 +1,5 @@
 # First stage to build assets
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 ARG ARCH=""
 
 FROM ${ARCH}node:16 as assets
diff --git a/core/dovecot/Dockerfile b/core/dovecot/Dockerfile
index 7ba2baf2..f6077c58 100644
--- a/core/dovecot/Dockerfile
+++ b/core/dovecot/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 
 FROM $DISTRO
 ARG VERSION
diff --git a/core/nginx/Dockerfile b/core/nginx/Dockerfile
index eb8180f0..081321d5 100644
--- a/core/nginx/Dockerfile
+++ b/core/nginx/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 FROM $DISTRO
 ARG VERSION
 
diff --git a/core/none/Dockerfile b/core/none/Dockerfile
index c22c3bf6..06d351a9 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:3.14.4
+ARG DISTRO=alpine:3.14.5
 FROM $DISTRO
 
 CMD sleep 1000000d
diff --git a/core/postfix/Dockerfile b/core/postfix/Dockerfile
index a9b8df1a..e7438d04 100644
--- a/core/postfix/Dockerfile
+++ b/core/postfix/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 
 FROM $DISTRO
 ARG VERSION
diff --git a/optional/clamav/Dockerfile b/optional/clamav/Dockerfile
index 53a4b198..e0ed0cdc 100644
--- a/optional/clamav/Dockerfile
+++ b/optional/clamav/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 FROM $DISTRO
 ARG VERSION
 
diff --git a/optional/fetchmail/Dockerfile b/optional/fetchmail/Dockerfile
index fe582088..71075ced 100644
--- a/optional/fetchmail/Dockerfile
+++ b/optional/fetchmail/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 FROM $DISTRO
 ARG VERSION
 
diff --git a/optional/radicale/Dockerfile b/optional/radicale/Dockerfile
index b31439ef..60bdd4bb 100644
--- a/optional/radicale/Dockerfile
+++ b/optional/radicale/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 FROM $DISTRO
 ARG VERSION
 
diff --git a/optional/unbound/Dockerfile b/optional/unbound/Dockerfile
index 5a6bc38a..11dde920 100644
--- a/optional/unbound/Dockerfile
+++ b/optional/unbound/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 FROM $DISTRO
 ARG VERSION
 
diff --git a/setup/Dockerfile b/setup/Dockerfile
index 4a0f355b..85e5f55b 100644
--- a/setup/Dockerfile
+++ b/setup/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14.4
+ARG DISTRO=alpine:3.14.5
 FROM $DISTRO
 ARG VERSION
 ENV TZ Etc/UTC