diff --git a/core/admin/Dockerfile b/core/admin/Dockerfile
index 4267f3b1..faa3b125 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 ${ARCH}node:16 as assets
@@ -13,7 +13,7 @@ COPY webpack.config.js ./
 COPY assets ./assets
 RUN set -eu \
  && sed -i 's/#007bff/#55a5d9/' node_modules/admin-lte/build/scss/_bootstrap-variables.scss \
- && for l in ca da de:de_de en:en-gb es:es_es eu fr:fr_fr he hu is it:it_it ja nb_NO:no_nb nl:nl_nl pl pt:pt_pt ru sv:sv_se zh; do \
+ && for l in ca da de:de-DE en:en-GB es:es-ES eu fr:fr-FR he hu is it:it-IT ja nb_NO:no-NB nl:nl-NL pl pt:pt-PT ru sv:sv-SE zh; do \
       cp node_modules/datatables.net-plugins/i18n/${l#*:}.json assets/${l%:*}.json; \
     done \
  && node_modules/.bin/webpack-cli --color
@@ -59,4 +59,4 @@ ENV FLASK_APP mailu
 CMD /start.py
 
 HEALTHCHECK CMD curl -f -L http://localhost/sso/login?next=ui.index || exit 1
-RUN echo $VERSION >> /version
\ No newline at end of file
+RUN echo $VERSION >> /version
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/docs/faq.rst b/docs/faq.rst
index 9bbd359c..4757e6a1 100644
--- a/docs/faq.rst
+++ b/docs/faq.rst
@@ -527,7 +527,7 @@ These issues are typically caused by four scenarios:
 #. Certificates expired;
 #. When ``TLS_FLAVOR=letsencrypt``, it might be that the *certbot* script is not capable of
    obtaining the certificates for your domain. See `letsencrypt issues`_
-#. When ``TLS_FLAVOR=certs``, certificates are supposed to be copied to ``/mailu/certs``.
+#. When ``TLS_FLAVOR=cert``, certificates are supposed to be copied to ``/mailu/certs``.
    Using an external ``letsencrypt`` program, it tends to happen people copy the whole
    ``letsencrypt/live`` directory containing symlinks. Symlinks do not resolve inside the
    container and therefore it breaks the TLS implementation.
diff --git a/docs/reverse.rst b/docs/reverse.rst
index 8d0dcc8e..91c6f67e 100644
--- a/docs/reverse.rst
+++ b/docs/reverse.rst
@@ -189,7 +189,7 @@ Mailu must also be configured with the information what header is used by the re
 .. code-block:: docker
   
   #mailu.env file
-  REAL_IP_HEADER=X-Real-IP
+  REAL_IP_HEADER=X-Real-Ip
   REAL_IP_FROM=x.x.x.x,y.y.y.y.y
   #x.x.x.x,y.y.y.y.y is the static IP address your reverse proxy uses for connecting to Mailu. 
 
diff --git a/docs/rpi_build.rst b/docs/rpi_build.rst
index 5796e188..07be77de 100644
--- a/docs/rpi_build.rst
+++ b/docs/rpi_build.rst
@@ -17,8 +17,8 @@ Adjustments
 ``build_arm.sh`` uses some variables passed as ``build-arg`` to docker-compose:
 
 - ``ALPINE_VER``: version of ALPINE to use
-- ``DISTRO``: is the main distro used. Dockerfiles are set on Alpine 3.10, and
-  build script overrides for ``balenalib/rpi-alpine:3.10``
+- ``DISTRO``: is the main distro used. Dockerfiles are set on Alpine 3.14, and
+  build script overrides for ``balenalib/rpi-alpine:3.14``
 - ``QEMU``: Used by webmails dockerfiles. It will add ``qemu-arm-static`` only
   if ``QEMU`` is set to ``arm``
 - ``ARCH``: Architecture to use for ``admin``, and ``webmails`` as their images
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
diff --git a/towncrier/newsfragments/2281.bugfix b/towncrier/newsfragments/2281.bugfix
new file mode 100644
index 00000000..5163805b
--- /dev/null
+++ b/towncrier/newsfragments/2281.bugfix
@@ -0,0 +1 @@
+Update to Alpine Linux 3.14.4 which contains a security fix for openssl.