diff --git a/docker/php/Dockerfile b/docker/php/Dockerfile
index f67e8ba..05cd729 100644
--- a/docker/php/Dockerfile
+++ b/docker/php/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:7.4-fpm-buster
+FROM php:8.1-fpm-buster
 ARG TIMEZONE
 
 COPY docker/php/php.ini /usr/local/etc/php/conf.d/docker-php-config.ini