diff --git a/nextcloud/Dockerfile b/nextcloud/Dockerfile
index 9593bab..a8dfb64 100644
--- a/nextcloud/Dockerfile
+++ b/nextcloud/Dockerfile
@@ -1,5 +1,5 @@
-FROM debian:bullseye-slim
-ARG VERSION=25.0.5
+FROM debian:bookworm-slim
+ARG VERSION=27.1.3
 ARG UID=3001
 ARG GID=3001
 
@@ -12,22 +12,22 @@ RUN apt-get update; \
         ca-certificates \
         nginx \
         wget \
-        php7.4 \
-        php7.4-apcu \
-        php7.4-curl \
-        php7.4-fpm \
-        php7.4-gd \
-        php7.4-intl \
-        php7.4-json \
-        php7.4-ldap \
-        php7.4-mbstring \
-        php7.4-memcache \
-        php7.4-pgsql \
-        php7.4-redis \
-        php7.4-xml \
-        php7.4-zip \
-        php7.4-bcmath \
-        php7.4-gmp \
+        php8.2 \
+        php8.2-apcu \
+        php8.2-curl \
+        php8.2-fpm \
+        php8.2-gd \
+        php8.2-intl \
+        php-json \
+        php8.2-ldap \
+        php8.2-mbstring \
+        php8.2-memcache \
+        php8.2-pgsql \
+        php8.2-redis \
+        php8.2-xml \
+        php8.2-zip \
+        php8.2-bcmath \
+        php8.2-gmp \
         strace \
         bzip2 \
         php-imagick; \
@@ -49,8 +49,8 @@ RUN wget -qO- https://github.com/nextcloud/deck/releases/download/${DECK_VERSION
     tar -C /var/www/nextcloud/apps -xz --no-same-owner
 
 RUN ln -sf /opt/config/nginx.conf /etc/nginx/sites-enabled/default; \
-    ln -sf /opt/config/www.conf /etc/php/7.4/fpm/pool.d/www.conf; \
-    ln -s /var/log/php7.4-fpm.log /opt/log/php7.4-fpm.error.log; \
+    ln -sf /opt/config/www.conf /etc/php/8.2/fpm/pool.d/www.conf; \
+    ln -s /var/log/php8.2-fpm.log /opt/log/php8.2-fpm.error.log; \
     { echo 'opcache.enable=1'; \
       echo 'opcache.enable_cli=1'; \
       echo 'opcache.interned_strings_buffer=8'; \
@@ -58,9 +58,9 @@ RUN ln -sf /opt/config/nginx.conf /etc/nginx/sites-enabled/default; \
       echo 'opcache.memory_consumption=128'; \
       echo 'opcache.save_comments=1'; \
       echo 'opcache.revalidate_freq=1'; \
-    } >> /etc/php/7.4/fpm/php.ini; \
-    echo 'apc.enable_cli=1' >> /etc/php/7.4/mods-available/apcu.ini; \
-    sed -i "s/memory_limit = 128M/memory_limit = 512M/" /etc/php/7.4/fpm/php.ini
+    } >> /etc/php/8.2/fpm/php.ini; \
+    echo 'apc.enable_cli=1' >> /etc/php/8.2/mods-available/apcu.ini; \
+    sed -i "s/memory_limit = 128M/memory_limit = 512M/" /etc/php/8.2/fpm/php.ini
 
 RUN chown www-data /opt/config
 
diff --git a/nextcloud/start.sh b/nextcloud/start.sh
index 5500b57..cd19e96 100755
--- a/nextcloud/start.sh
+++ b/nextcloud/start.sh
@@ -6,4 +6,4 @@ nginx
 
 export USER=www-data HOME=/home/www-data
 mkdir /run/php
-exec /usr/sbin/php-fpm7.4 --nodaemonize --fpm-config /etc/php/7.4/fpm/php-fpm.conf
+exec /usr/sbin/php-fpm8.2 --nodaemonize --fpm-config /etc/php/8.2/fpm/php-fpm.conf