diff --git a/app/composer.json b/app/composer.json
index 6fb886c..3023a4e 100644
--- a/app/composer.json
+++ b/app/composer.json
@@ -51,6 +51,9 @@
             "symfony/flex": true,
             "symfony/runtime": true
         },
+        "platform": {
+            "php": "8.5"
+        },
         "bump-after-update": true,
         "sort-packages": true
     },
diff --git a/app/composer.lock b/app/composer.lock
index b917ffb..d378bf7 100644
--- a/app/composer.lock
+++ b/app/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "bb71a9c139945fc285e2cfbfcb4259ca",
+    "content-hash": "e79b32f42904e41114de64d78ef4dfc7",
     "packages": [
         {
             "name": "composer/semver",
@@ -10168,5 +10168,8 @@
         "ext-zip": "*"
     },
     "platform-dev": {},
+    "platform-overrides": {
+        "php": "8.5"
+    },
     "plugin-api-version": "2.9.0"
 }
diff --git a/docker/apache/Dockerfile b/docker/apache/Dockerfile
index bad039c..19672a8 100644
--- a/docker/apache/Dockerfile
+++ b/docker/apache/Dockerfile
@@ -3,7 +3,7 @@
 #  Le code source est copié dans l'image au moment du build
 # ============================================================
 
-FROM php:8.3-apache
+FROM php:8.5-apache
 
 # ── Dépendances système ──────────────────────────────────────
 RUN apt-get update && apt-get install -y \