diff --git a/Dockerfile b/Dockerfile
index dc523f0..1654a13 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,14 +1,14 @@
-FROM alpine:3.10
+FROM alpine:latest
 
 LABEL description "Rainloop is a simple, modern & fast web-based client" \
       maintainer="Hardware <contact@meshup.net>"
 
 ARG GPG_FINGERPRINT="3B79 7ECE 694F 3B7B 70F3  11A4 ED7C 49D9 87DA 4591"
+ARG RAINLOOP_VERSION=1.17.0
 
 ENV UID=991 GID=991 UPLOAD_MAX_SIZE=25M LOG_TO_STDOUT=false MEMORY_LIMIT=128M
 
-RUN echo "@community https://nl.alpinelinux.org/alpine/v3.10/community" >> /etc/apk/repositories \
- && apk -U upgrade \
+RUN apk -U upgrade \
  && apk add -t build-dependencies \
     gnupg \
     openssl \
@@ -18,34 +18,35 @@ RUN echo "@community https://nl.alpinelinux.org/alpine/v3.10/community" >> /etc/
     nginx \
     s6 \
     su-exec \
-    php7-fpm@community \
-    php7-curl@community \
-    php7-iconv@community \
-    php7-xml@community \
-    php7-dom@community \
-    php7-openssl@community \
-    php7-json@community \
-    php7-zlib@community \
-    php7-pdo_pgsql@community \
-    php7-pdo_mysql@community \
-    php7-pdo_sqlite@community \
-    php7-sqlite3@community \
-    php7-ldap@community \
-    php7-simplexml@community \
- && cd /tmp \
- && wget -q https://www.rainloop.net/repository/webmail/rainloop-community-latest.zip \
- && wget -q https://www.rainloop.net/repository/webmail/rainloop-community-latest.zip.asc \
- && wget -q https://www.rainloop.net/repository/RainLoop.asc \
- && gpg --import RainLoop.asc \
- && FINGERPRINT="$(LANG=C gpg --verify rainloop-community-latest.zip.asc rainloop-community-latest.zip 2>&1 \
-  | sed -n "s#Primary key fingerprint: \(.*\)#\1#p")" \
- && if [ -z "${FINGERPRINT}" ]; then echo "ERROR: Invalid GPG signature!" && exit 1; fi \
- && if [ "${FINGERPRINT}" != "${GPG_FINGERPRINT}" ]; then echo "ERROR: Wrong GPG fingerprint!" && exit 1; fi \
- && mkdir /rainloop && unzip -q /tmp/rainloop-community-latest.zip -d /rainloop \
- && find /rainloop -type d -exec chmod 755 {} \; \
- && find /rainloop -type f -exec chmod 644 {} \; \
- && apk del build-dependencies \
- && rm -rf /tmp/* /var/cache/apk/* /root/.gnupg
+    php8-fpm \
+    php8-curl \
+    php8-iconv \
+    php8-xml \
+    php8-dom \
+    php8-openssl \
+    php8-json \
+    php8-zlib \
+    php8-pdo_pgsql \
+    php8-pdo_mysql \
+    php8-pdo_sqlite \
+    php8-sqlite3 \
+    php8-ldap \
+    php8-simplexml
+WORKDIR /tmp
+RUN set -ex ; \
+    wget -q https://github.com/RainLoop/rainloop-webmail/releases/download/v1.17.0/rainloop-legacy-${RAINLOOP_VERSION}.zip ; \
+    wget -q https://github.com/RainLoop/rainloop-webmail/releases/download/v1.17.0/rainloop-legacy-${RAINLOOP_VERSION}.zip.asc ; \
+    wget -q https://www.rainloop.net/repository/RainLoop.asc ; \
+    gpg --import RainLoop.asc ; \
+    FINGERPRINT="$(LANG=C gpg --verify rainloop-legacy-${RAINLOOP_VERSION}.zip.asc rainloop-legacy-${RAINLOOP_VERSION}.zip 2>&1 | sed -n "s#Primary key fingerprint: \(.*\)#\1#p")" ; \
+    if [ -z "${FINGERPRINT}" ]; then echo "ERROR: Invalid GPG signature!" && exit 1; fi ; \
+    if [ "${FINGERPRINT}" != "${GPG_FINGERPRINT}" ]; then echo "ERROR: Wrong GPG fingerprint!" && exit 1; fi ; \
+    mkdir /rainloop; \
+    unzip -q /tmp/rainloop-legacy-${RAINLOOP_VERSION}.zip -d /rainloop ; \
+    find /rainloop -type d -exec chmod 755 {} \; ; \
+    find /rainloop -type f -exec chmod 644 {} \; ; \
+    apk del build-dependencies ; \
+    rm -rf /tmp/* /var/cache/apk/* /root/.gnupg
 
 COPY rootfs /
 RUN chmod +x /usr/local/bin/run.sh /services/*/run /services/.s6-svscan/*
diff --git a/rootfs/etc/php7/php-fpm.conf b/rootfs/etc/php8/php-fpm.conf
similarity index 100%
rename from rootfs/etc/php7/php-fpm.conf
rename to rootfs/etc/php8/php-fpm.conf
diff --git a/rootfs/services/php/run b/rootfs/services/php/run
index e238021..822922a 100644
--- a/rootfs/services/php/run
+++ b/rootfs/services/php/run
@@ -1,2 +1,2 @@
 #!/bin/sh
-exec php-fpm7
+exec php-fpm8
diff --git a/rootfs/usr/local/bin/run.sh b/rootfs/usr/local/bin/run.sh
index 7cc4d0b..bf0db2f 100644
--- a/rootfs/usr/local/bin/run.sh
+++ b/rootfs/usr/local/bin/run.sh
@@ -1,8 +1,8 @@
 #!/bin/sh
 
 # Set attachment size limit
-sed -i "s/<UPLOAD_MAX_SIZE>/$UPLOAD_MAX_SIZE/g" /etc/php7/php-fpm.conf /etc/nginx/nginx.conf
-sed -i "s/<MEMORY_LIMIT>/$MEMORY_LIMIT/g" /etc/php7/php-fpm.conf
+sed -i "s/<UPLOAD_MAX_SIZE>/$UPLOAD_MAX_SIZE/g" /etc/php8/php-fpm.conf /etc/nginx/nginx.conf
+sed -i "s/<MEMORY_LIMIT>/$MEMORY_LIMIT/g" /etc/php8/php-fpm.conf
 
 # Remove postfixadmin-change-password plugin if exist
 if [ -d "/rainloop/data/_data_/_default_/plugins/postfixadmin-change-password" ]; then
@@ -14,7 +14,7 @@ if [ "$LOG_TO_STDOUT" = true ]; then
   echo "[INFO] Logging to stdout activated"
   chmod o+w /dev/stdout
   sed -i "s/.*error_log.*$/error_log \/dev\/stdout warn;/" /etc/nginx/nginx.conf
-  sed -i "s/.*error_log.*$/error_log = \/dev\/stdout/" /etc/php7/php-fpm.conf
+  sed -i "s/.*error_log.*$/error_log = \/dev\/stdout/" /etc/php8/php-fpm.conf
 fi
 
 # Add postfixadmin-change-password plugin