diff --git a/Dockerfile b/Dockerfile
index 390d919..a32b22a 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine-nginx:3.18
+FROM ghcr.io/linuxserver/baseimage-alpine-nginx:3.19
 
 # set version label
 ARG BUILD_DATE
@@ -22,22 +22,22 @@ RUN \
     grep \
     imagemagick \
     jpegoptim \
-    php82-bcmath \
-    php82-dom \
-    php82-exif \
-    php82-gd \
-    php82-intl \
-    php82-pdo_mysql \
-    php82-pdo_pgsql \
-    php82-pdo_sqlite \
-    php82-pecl-imagick \
-    php82-pecl-redis \
-    php82-sqlite3 \
-    php82-tokenizer \
+    php83-bcmath \
+    php83-dom \
+    php83-exif \
+    php83-gd \
+    php83-intl \
+    php83-pdo_mysql \
+    php83-pdo_pgsql \
+    php83-pdo_sqlite \
+    php83-pecl-imagick \
+    php83-pecl-redis \
+    php83-sqlite3 \
+    php83-tokenizer \
     postgresql15-client && \
   echo "**** configure php-fpm to pass env vars ****" && \
-  sed -E -i 's/^;?clear_env ?=.*$/clear_env = no/g' /etc/php82/php-fpm.d/www.conf && \
-  grep -qxF 'clear_env = no' /etc/php82/php-fpm.d/www.conf || echo 'clear_env = no' >> /etc/php82/php-fpm.d/www.conf && \
+  sed -E -i 's/^;?clear_env ?=.*$/clear_env = no/g' /etc/php83/php-fpm.d/www.conf && \
+  grep -qxF 'clear_env = no' /etc/php83/php-fpm.d/www.conf || echo 'clear_env = no' >> /etc/php83/php-fpm.d/www.conf && \
   echo "**** install lychee ****" && \
   if [ -z "${LYCHEE_VERSION}" ]; then \
     LYCHEE_VERSION=$(curl -sX GET "https://api.github.com/repos/LycheeOrg/Lychee/releases/latest" \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index fa9cf29..4adf9bf 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -1,6 +1,6 @@
 # syntax=docker/dockerfile:1
 
-FROM ghcr.io/linuxserver/baseimage-alpine-nginx:arm64v8-3.18
+FROM ghcr.io/linuxserver/baseimage-alpine-nginx:arm64v8-3.19
 
 # set version label
 ARG BUILD_DATE
@@ -22,22 +22,22 @@ RUN \
     grep \
     imagemagick \
     jpegoptim \
-    php82-bcmath \
-    php82-dom \
-    php82-exif \
-    php82-gd \
-    php82-intl \
-    php82-pdo_mysql \
-    php82-pdo_pgsql \
-    php82-pdo_sqlite \
-    php82-pecl-imagick \
-    php82-pecl-redis \
-    php82-sqlite3 \
-    php82-tokenizer \
+    php83-bcmath \
+    php83-dom \
+    php83-exif \
+    php83-gd \
+    php83-intl \
+    php83-pdo_mysql \
+    php83-pdo_pgsql \
+    php83-pdo_sqlite \
+    php83-pecl-imagick \
+    php83-pecl-redis \
+    php83-sqlite3 \
+    php83-tokenizer \
     postgresql15-client && \
   echo "**** configure php-fpm to pass env vars ****" && \
-  sed -E -i 's/^;?clear_env ?=.*$/clear_env = no/g' /etc/php82/php-fpm.d/www.conf && \
-  grep -qxF 'clear_env = no' /etc/php82/php-fpm.d/www.conf || echo 'clear_env = no' >> /etc/php82/php-fpm.d/www.conf && \
+  sed -E -i 's/^;?clear_env ?=.*$/clear_env = no/g' /etc/php83/php-fpm.d/www.conf && \
+  grep -qxF 'clear_env = no' /etc/php83/php-fpm.d/www.conf || echo 'clear_env = no' >> /etc/php83/php-fpm.d/www.conf && \
   echo "**** install lychee ****" && \
   if [ -z "${LYCHEE_VERSION}" ]; then \
     LYCHEE_VERSION=$(curl -sX GET "https://api.github.com/repos/LycheeOrg/Lychee/releases/latest" \
diff --git a/readme-vars.yml b/readme-vars.yml
index f540e37..ad44038 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -67,6 +67,7 @@ app_setup_block: |
 
 # changelog
 changelogs:
+  - { date: "23.01.24:", desc: "Rebase to Alpine 3.19 with php 8.3."}
   - { date: "27.12.23:", desc: "Update image to support v5." }
   - { date: "25.12.23:", desc: "Existing users should update: site-confs/default.conf - Cleanup default site conf. Build npm dependencies into image." }
   - { date: "25.05.23:", desc: "Rebase to Alpine 3.18, deprecate armhf." }
diff --git a/root/etc/s6-overlay/s6-rc.d/init-lychee-config/run b/root/etc/s6-overlay/s6-rc.d/init-lychee-config/run
index 046d3c7..4c55964 100755
--- a/root/etc/s6-overlay/s6-rc.d/init-lychee-config/run
+++ b/root/etc/s6-overlay/s6-rc.d/init-lychee-config/run
@@ -30,8 +30,8 @@ if [[ ! -L /app/www/storage/logs ]]; then
 fi
 
 cp -n /defaults/user.ini /config/user.ini 2> >(grep -v 'cp: not replacing')
-rm -rf /etc/php82/conf.d/99-user.ini
-ln -s /config/user.ini /etc/php82/conf.d/99-user.ini
+rm -rf /etc/php83/conf.d/99-user.ini
+ln -s /config/user.ini /etc/php83/conf.d/99-user.ini
 
 cd /app/www || exit 1