diff --git a/composer.json b/composer.json
index 903fc508d68d5bcc5edc0c613e1cc91ab7bdf03b..e86e2b3cfeb2c151a985fe291b0ab0825c95ab63 100644
--- a/composer.json
+++ b/composer.json
@@ -9,14 +9,15 @@
         "spip/archiviste": "^3.0@dev",
         "spip/composer-installer": "^0.5.0",
         "spip/security": "^1.5",
+        "symfony/deprecation-contracts": "^3.2",
         "symfony/polyfill-mbstring": "^1.27",
         "symfony/polyfill-php82": "^1.27"
     },
     "require-dev": {
         "dealerdirect/phpcodesniffer-composer-installer": "^1.0",
+        "phpcompatibility/php-compatibility": "dev-develop@dev",
         "phpstan/phpstan": "^1.10",
-        "spip/coding-standards": "^1.3",
-        "phpcompatibility/php-compatibility": "dev-develop@dev"
+        "spip/coding-standards": "^1.3"
     },
     "suggest": {
         "ext-curl": "*",
diff --git a/composer.lock b/composer.lock
index 4bd8ae2d7f344cfaf9e71a111eb27db4ae136353..b53fa1e8f1210c285fe191977bbd53ea48752001 100644
--- a/composer.lock
+++ b/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": "a6f99c694fa13a4c1f465b80d9a1e8b6",
+    "content-hash": "b18f7bdd2b5c24f1aaac9c1eb69ccda9",
     "packages": [
         {
             "name": "algo26-matthias/idna-convert",
@@ -243,6 +243,73 @@
             "description": "Protection du site par blocage de certaines attaques",
             "time": "2023-03-21T00:24:40+00:00"
         },
+        {
+            "name": "symfony/deprecation-contracts",
+            "version": "v3.2.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/deprecation-contracts.git",
+                "reference": "e2d1534420bd723d0ef5aec58a22c5fe60ce6f5e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/e2d1534420bd723d0ef5aec58a22c5fe60ce6f5e",
+                "reference": "e2d1534420bd723d0ef5aec58a22c5fe60ce6f5e",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=8.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-main": "3.3-dev"
+                },
+                "thanks": {
+                    "name": "symfony/contracts",
+                    "url": "https://github.com/symfony/contracts"
+                }
+            },
+            "autoload": {
+                "files": [
+                    "function.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nicolas Grekas",
+                    "email": "p@tchwork.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "A generic function and convention to trigger deprecation notices",
+            "homepage": "https://symfony.com",
+            "support": {
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.2.1"
+            },
+            "funding": [
+                {
+                    "url": "https://symfony.com/sponsor",
+                    "type": "custom"
+                },
+                {
+                    "url": "https://github.com/fabpot",
+                    "type": "github"
+                },
+                {
+                    "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
+                    "type": "tidelift"
+                }
+            ],
+            "time": "2023-03-01T10:25:55+00:00"
+        },
         {
             "name": "symfony/polyfill-mbstring",
             "version": "v1.27.0",