diff --git a/Dockerfile b/Dockerfile
index 41b346c..2f34bca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,9 +11,8 @@ RUN apt-get update && apt-get upgrade -y \
     && mkdir -p /usr/src/php/ext/ && cd /usr/src/php/ext/ \
     && pecl bundle event \
     && pecl bundle ev \
-    && pecl bundle parallel \
     && docker-php-ext-configure event --with-event-core --with-event-extra --with-event-pthreads \
-    && docker-php-ext-install -j$(nproc) ev event parallel \
+    && docker-php-ext-install -j$(nproc) ev event \
     # Install composer
     && chmod +x /usr/local/bin/docker-compose-wait \
     && curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer \
@@ -26,7 +25,7 @@ COPY . /app
 WORKDIR /app
 
 RUN cp -a docker/php/conf.d/. "$PHP_INI_DIR/conf.d/" \
-    && composer install --no-dev \
+    && composer install --no-dev --ignore-platform-reqs \
     && composer clear
 
 VOLUME ["/app/sessions"]
diff --git a/README.md b/README.md
index eda600c..4e04f57 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,7 @@ Fast, simple, async php telegram api server:
 ### Manual: 
 1. Requirements: 
     * ssh / cli
-    * php 7.4
+    * php 7.4 or php 8
     * composer
     * git
     * Mysql/MariaDB (optional)