diff --git a/core/admin/Dockerfile b/core/admin/Dockerfile
index f10d3251..4b991269 100644
--- a/core/admin/Dockerfile
+++ b/core/admin/Dockerfile
@@ -1,5 +1,5 @@
 # First stage to build assets
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 ARG ARCH=""
 FROM ${ARCH}node:8 as assets
 COPY --from=balenalib/rpi-alpine:3.14 /usr/bin/qemu-arm-static /usr/bin/qemu-arm-static
diff --git a/core/dovecot/Dockerfile b/core/dovecot/Dockerfile
index 22145bde..49fcb866 100644
--- a/core/dovecot/Dockerfile
+++ b/core/dovecot/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO as builder
 WORKDIR /tmp
 RUN apk add git build-base automake autoconf libtool dovecot-dev xapian-core-dev icu-dev
diff --git a/core/nginx/Dockerfile b/core/nginx/Dockerfile
index 1906ed31..3837e64b 100644
--- a/core/nginx/Dockerfile
+++ b/core/nginx/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/core/none/Dockerfile b/core/none/Dockerfile
index 51b8d1c5..bae5e8a3 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
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 
 CMD sleep 1000000d
diff --git a/core/postfix/Dockerfile b/core/postfix/Dockerfile
index 062155c1..652404e8 100644
--- a/core/postfix/Dockerfile
+++ b/core/postfix/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/core/rspamd/Dockerfile b/core/rspamd/Dockerfile
index 6706ef14..0b3b94f7 100644
--- a/core/rspamd/Dockerfile
+++ b/core/rspamd/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/optional/clamav/Dockerfile b/optional/clamav/Dockerfile
index 20cebcdc..efad01ad 100644
--- a/optional/clamav/Dockerfile
+++ b/optional/clamav/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/optional/fetchmail/Dockerfile b/optional/fetchmail/Dockerfile
index 506e409a..d3397a22 100644
--- a/optional/fetchmail/Dockerfile
+++ b/optional/fetchmail/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 
 # python3 shared with most images
diff --git a/optional/postgresql/Dockerfile b/optional/postgresql/Dockerfile
index 0f5034da..ab197b62 100644
--- a/optional/postgresql/Dockerfile
+++ b/optional/postgresql/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/optional/radicale/Dockerfile b/optional/radicale/Dockerfile
index 13761164..21c1d437 100644
--- a/optional/radicale/Dockerfile
+++ b/optional/radicale/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 
 # python3 shared with most images
diff --git a/optional/unbound/Dockerfile b/optional/unbound/Dockerfile
index 2b472d44..da979496 100644
--- a/optional/unbound/Dockerfile
+++ b/optional/unbound/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 # python3 shared with most images
 RUN apk add --no-cache \
diff --git a/setup/Dockerfile b/setup/Dockerfile
index 5775ab6b..e0f685ee 100644
--- a/setup/Dockerfile
+++ b/setup/Dockerfile
@@ -1,4 +1,4 @@
-ARG DISTRO=alpine:3.14
+ARG DISTRO=alpine:3.14.2
 FROM $DISTRO
 
 RUN mkdir -p /app