diff --git a/Dockerfile b/Dockerfile
index a296300..4df2679 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,6 @@
-FROM php:8.1-cli
+ARG PHP_VERSION=8.2
+
+FROM php:${PHP_VERSION}-cli
 
 RUN apt-get update
 RUN apt-get install -y git libzip-dev zip