diff --git a/8.4/Dockerfile b/8.4/Dockerfile
index 577ff4e..d736cf2 100644
--- a/8.4/Dockerfile
+++ b/8.4/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.4-alpine3.21
+FROM php:8.5-alpine3.21
 
 # Add docker-php-extension-installer script
 ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/