diff --git a/KosenXm4sCTF/bad_path/Dockerfile b/KosenXm4sCTF/bad_path/Dockerfile
index b342f89..16962b7 100644
--- a/KosenXm4sCTF/bad_path/Dockerfile
+++ b/KosenXm4sCTF/bad_path/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.0-apache
+FROM php:8.3.2-apache
 
 ADD ./index.php /var/www/html/index.php
 ADD ./flag.txt /var/www/flag.txt