diff --git a/backend/Dockerfile b/backend/Dockerfile
index dc9e28f2..ece18ce4 100644
--- a/backend/Dockerfile
+++ b/backend/Dockerfile
@@ -1,4 +1,4 @@
-FROM php:8.3-apache@sha256:fce243539486d99cfefba35724ec485fd6078f1d4928feba5728d3ca587f8820
+FROM php:8.4-apache@sha256:2c9ae64a55950a3b44c5121cae9b1dc82601e9ff2a0ed0279d02c047019ca53d
 
 ENV LANG=C.UTF-8