diff --git a/epicbox-php/Dockerfile b/epicbox-php/Dockerfile
index 767e7a8..e44750f 100644
--- a/epicbox-php/Dockerfile
+++ b/epicbox-php/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.2.11-cli-alpine3.18
+FROM php:8.3.3-cli-alpine3.18
 MAINTAINER Stepik Team <team@stepik.org>
 
 RUN adduser -DH -h /sandbox sandbox