diff --git a/.docker/app/Dockerfile b/.docker/app/Dockerfile
index e1a70d011..8cf9591d0 100644
--- a/.docker/app/Dockerfile
+++ b/.docker/app/Dockerfile
@@ -1,22 +1,22 @@
-FROM registry.fakecake.org/docker.io/alpine:3.17
+FROM registry.fakecake.org/docker.io/alpine:3.18
 EXPOSE 9000/tcp
 
 ENV SCRIPT_ROOT=/opt/tt-rss
 ENV SRC_DIR=/src/tt-rss/
 
-RUN apk add --no-cache dcron php81 php81-fpm php81-phar php81-sockets php81-pecl-apcu \
-	php81-pdo php81-gd php81-pgsql php81-pdo_pgsql php81-xmlwriter php81-opcache \
-	php81-mbstring php81-intl php81-xml php81-curl php81-simplexml \
-	php81-session php81-tokenizer php81-dom php81-fileinfo php81-ctype \
-	php81-json php81-iconv php81-pcntl php81-posix php81-zip php81-exif \
-	php81-openssl git postgresql-client sudo php81-pecl-xdebug rsync tzdata && \
-	sed -i 's/\(memory_limit =\) 128M/\1 256M/' /etc/php81/php.ini && \
+RUN apk add --no-cache dcron php82 php82-fpm php82-phar php82-sockets php82-pecl-apcu \
+	php82-pdo php82-gd php82-pgsql php82-pdo_pgsql php82-xmlwriter php82-opcache \
+	php82-mbstring php82-intl php82-xml php82-curl php82-simplexml \
+	php82-session php82-tokenizer php82-dom php82-fileinfo php82-ctype \
+	php82-json php82-iconv php82-pcntl php82-posix php82-zip php82-exif \
+	php82-openssl git postgresql-client sudo php82-pecl-xdebug rsync tzdata && \
+	sed -i 's/\(memory_limit =\) 128M/\1 256M/' /etc/php82/php.ini && \
 	sed -i -e 's/^listen = 127.0.0.1:9000/listen = 9000/' \
 		-e 's/;\(clear_env\) = .*/\1 = no/i' \
 		-e 's/^\(user\|group\) = .*/\1 = app/i' \
 		-e 's/;\(php_admin_value\[error_log\]\) = .*/\1 = \/tmp\/error.log/' \
 		-e 's/;\(php_admin_flag\[log_errors\]\) = .*/\1 = on/' \
-			/etc/php81/php-fpm.d/www.conf && \
+			/etc/php82/php-fpm.d/www.conf && \
 	mkdir -p /var/www ${SCRIPT_ROOT}/config.d
 
 ARG CI_COMMIT_BRANCH
@@ -81,7 +81,7 @@ ENV TTRSS_DB_HOST="db"
 ENV TTRSS_DB_PORT="5432"
 
 ENV TTRSS_MYSQL_CHARSET="UTF8"
-ENV TTRSS_PHP_EXECUTABLE="/usr/bin/php81"
+ENV TTRSS_PHP_EXECUTABLE="/usr/bin/php82"
 ENV TTRSS_PLUGINS="auth_internal, note, nginx_xaccel"
 
 CMD ${SCRIPT_ROOT}/startup.sh
diff --git a/.docker/app/startup.sh b/.docker/app/startup.sh
index 134428276..6d867af52 100644
--- a/.docker/app/startup.sh
+++ b/.docker/app/startup.sh
@@ -61,7 +61,7 @@ sudo -u app cp ${SCRIPT_ROOT}/config.docker.php $DST_DIR/config.php
 chmod 644 $DST_DIR/config.php
 
 chown -R $OWNER_UID:$OWNER_GID $DST_DIR \
-	/var/log/php81
+	/var/log/php82
 
 if [ -z "$TTRSS_NO_STARTUP_PLUGIN_UPDATES" ]; then
 	echo updating all local plugins...
@@ -100,7 +100,7 @@ if [ ! -z "${TTRSS_XDEBUG_ENABLED}" ]; then
 	fi
 	echo enabling xdebug with the following parameters:
 	env | grep TTRSS_XDEBUG
-	cat > /etc/php81/conf.d/50_xdebug.ini <<EOF
+	cat > /etc/php82/conf.d/50_xdebug.ini <<EOF
 zend_extension=xdebug.so
 xdebug.mode=develop,trace,debug
 xdebug.start_with_request = yes
@@ -110,17 +110,17 @@ EOF
 fi
 
 sed -i.bak "s/^\(memory_limit\) = \(.*\)/\1 = ${PHP_WORKER_MEMORY_LIMIT}/" \
-	/etc/php81/php.ini
+	/etc/php82/php.ini
 
 sed -i.bak "s/^\(pm.max_children\) = \(.*\)/\1 = ${PHP_WORKER_MAX_CHILDREN}/" \
-	/etc/php81/php-fpm.d/www.conf
+	/etc/php82/php-fpm.d/www.conf
 
-sudo -Eu app php81 $DST_DIR/update.php --update-schema=force-yes
+sudo -Eu app php82 $DST_DIR/update.php --update-schema=force-yes
 
 if [ ! -z "$ADMIN_USER_PASS" ]; then
-	sudo -Eu app php81 $DST_DIR/update.php --user-set-password "admin:$ADMIN_USER_PASS"
+	sudo -Eu app php82 $DST_DIR/update.php --user-set-password "admin:$ADMIN_USER_PASS"
 else
-	if sudo -Eu app php81 $DST_DIR/update.php --user-check-password "admin:password"; then
+	if sudo -Eu app php82 $DST_DIR/update.php --user-check-password "admin:password"; then
 		RANDOM_PASS=$(tr -dc A-Za-z0-9 </dev/urandom | head -c 16 ; echo '')
 
 		echo "*****************************************************************************"
@@ -128,17 +128,17 @@ else
 		echo "* If you want to set it manually, use ADMIN_USER_PASS environment variable. *"
 		echo "*****************************************************************************"
 
-		sudo -Eu app php81 $DST_DIR/update.php --user-set-password "admin:$RANDOM_PASS"
+		sudo -Eu app php82 $DST_DIR/update.php --user-set-password "admin:$RANDOM_PASS"
 	fi
 fi
 
 if [ ! -z "$ADMIN_USER_ACCESS_LEVEL" ]; then
-	sudo -Eu app php81 $DST_DIR/update.php --user-set-access-level "admin:$ADMIN_USER_ACCESS_LEVEL"
+	sudo -Eu app php82 $DST_DIR/update.php --user-set-access-level "admin:$ADMIN_USER_ACCESS_LEVEL"
 fi
 
 if [ ! -z "$AUTO_CREATE_USER" ]; then
-	sudo -Eu app /bin/sh -c "php81 $DST_DIR/update.php --user-exists $AUTO_CREATE_USER ||
-		php81 $DST_DIR/update.php --force-yes --user-add \"$AUTO_CREATE_USER:$AUTO_CREATE_USER_PASS:$AUTO_CREATE_USER_ACCESS_LEVEL\""
+	sudo -Eu app /bin/sh -c "php82 $DST_DIR/update.php --user-exists $AUTO_CREATE_USER ||
+		php82 $DST_DIR/update.php --force-yes --user-add \"$AUTO_CREATE_USER:$AUTO_CREATE_USER_PASS:$AUTO_CREATE_USER_ACCESS_LEVEL\""
 fi
 
 rm -f /tmp/error.log && mkfifo /tmp/error.log && chown app:app /tmp/error.log
@@ -150,4 +150,4 @@ unset AUTO_CREATE_USER_PASS
 
 touch $DST_DIR/.app_is_ready
 
-exec /usr/sbin/php-fpm81 --nodaemonize --force-stderr
+exec /usr/sbin/php-fpm82 --nodaemonize --force-stderr
diff --git a/.docker/app/updater.sh b/.docker/app/updater.sh
index 219041a59..1f5432980 100644
--- a/.docker/app/updater.sh
+++ b/.docker/app/updater.sh
@@ -21,7 +21,7 @@ while ! pg_isready -h $TTRSS_DB_HOST -U $TTRSS_DB_USER; do
 done
 
 sed -i.bak "s/^\(memory_limit\) = \(.*\)/\1 = ${PHP_WORKER_MEMORY_LIMIT}/" \
-	/etc/php81/php.ini
+	/etc/php82/php.ini
 
 DST_DIR=/var/www/html/tt-rss
 
@@ -30,4 +30,4 @@ while [ ! -s $DST_DIR/config.php -a -e $DST_DIR/.app_is_ready ]; do
 	sleep 3
 done
 
-sudo -E -u app /usr/bin/php81 /var/www/html/tt-rss/update_daemon2.php
+sudo -E -u app /usr/bin/php82 /var/www/html/tt-rss/update_daemon2.php