diff --git a/backend/Dockerfile b/backend/Dockerfile
index a3b8c302..363b46e4 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.3-apache@sha256:7a3fd6ae9c9d240810bae95d3aaf894be4f0ec1a022b0a5f129d658a625e2ac2
+FROM php:8.4-apache@sha256:204de2d31416e176774b98217beb8e078a9f3b55306b370d6a9f1f470af5f306
 
 ENV LANG=C.UTF-8