diff --git a/core/composer.json b/core/composer.json
index c13d6583af..9ebad8504b 100644
--- a/core/composer.json
+++ b/core/composer.json
@@ -39,7 +39,7 @@
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         "geocoder-php/ipstack-provider": "0.4.*",
         "predis/predis": "1.1.*",
-        "symfony/yaml": "3.4.*",
+        "symfony/yaml": "5.4.*",
         "symfony/http-foundation": "5.4.*",
         "simshaun/recurr": "4.0.*",
         "pelago/emogrifier": "7.0.*",
diff --git a/core/composer.lock b/core/composer.lock
index e39950506d..2c629c5d42 100644
--- a/core/composer.lock
+++ b/core/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": "e38c7308c51b0480a774fa45c99513e2",
+    "content-hash": "22fdcb5aa0478027b66bad910856dd19",
     "packages": [
         {
             "name": "apereo/phpcas",
@@ -6237,16 +6237,16 @@
         },
         {
             "name": "symfony/deprecation-contracts",
-            "version": "v3.6.0",
+            "version": "v3.7.0",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/deprecation-contracts.git",
-                "reference": "63afe740e99a13ba87ec199bb07bbdee937a5b62"
+                "reference": "50f59d1f3ca46d41ac911f97a78626b6756af35b"
             },
             "dist": {
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-                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/63afe740e99a13ba87ec199bb07bbdee937a5b62",
-                "reference": "63afe740e99a13ba87ec199bb07bbdee937a5b62",
+                "url": "https://api.github.com/repos/symfony/deprecation-contracts/zipball/50f59d1f3ca46d41ac911f97a78626b6756af35b",
+                "reference": "50f59d1f3ca46d41ac911f97a78626b6756af35b",
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@@ -6259,7 +6259,7 @@
                     "name": "symfony/contracts"
                 },
                 "branch-alias": {
-                    "dev-main": "3.6-dev"
+                    "dev-main": "3.7-dev"
                 }
             },
             "autoload": {
@@ -6284,7 +6284,7 @@
             "description": "A generic function and convention to trigger deprecation notices",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.6.0"
+                "source": "https://github.com/symfony/deprecation-contracts/tree/v3.7.0"
             },
             "funding": [
                 {
@@ -6295,12 +6295,16 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2024-09-25T14:21:43+00:00"
+            "time": "2026-04-13T15:52:40+00:00"
         },
         {
             "name": "symfony/event-dispatcher",
@@ -7966,31 +7970,35 @@
         },
         {
             "name": "symfony/yaml",
-            "version": "v3.4.47",
+            "version": "v5.4.52",
             "source": {
                 "type": "git",
                 "url": "https://github.com/symfony/yaml.git",
-                "reference": "88289caa3c166321883f67fe5130188ebbb47094"
+                "reference": "b0b27055f055f0d314c5c68ed0c10f0bbd90aee0"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/symfony/yaml/zipball/88289caa3c166321883f67fe5130188ebbb47094",
-                "reference": "88289caa3c166321883f67fe5130188ebbb47094",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/b0b27055f055f0d314c5c68ed0c10f0bbd90aee0",
+                "reference": "b0b27055f055f0d314c5c68ed0c10f0bbd90aee0",
                 "shasum": ""
             },
             "require": {
-                "php": "^5.5.9|>=7.0.8",
-                "symfony/polyfill-ctype": "~1.8"
+                "php": ">=7.2.5",
+                "symfony/deprecation-contracts": "^2.1|^3",
+                "symfony/polyfill-ctype": "^1.8"
             },
             "conflict": {
-                "symfony/console": "<3.4"
+                "symfony/console": "<5.3"
             },
             "require-dev": {
-                "symfony/console": "~3.4|~4.0"
+                "symfony/console": "^5.3|^6.0"
             },
             "suggest": {
                 "symfony/console": "For validating YAML files using the lint command"
             },
+            "bin": [
+                "Resources/bin/yaml-lint"
+            ],
             "type": "library",
             "autoload": {
                 "psr-4": {
@@ -8014,10 +8022,10 @@
                     "homepage": "https://symfony.com/contributors"
                 }
             ],
-            "description": "Symfony Yaml Component",
+            "description": "Loads and dumps YAML files",
             "homepage": "https://symfony.com",
             "support": {
-                "source": "https://github.com/symfony/yaml/tree/v3.4.47"
+                "source": "https://github.com/symfony/yaml/tree/v5.4.52"
             },
             "funding": [
                 {
@@ -8028,12 +8036,16 @@
                     "url": "https://github.com/fabpot",
                     "type": "github"
                 },
+                {
+                    "url": "https://github.com/nicolas-grekas",
+                    "type": "github"
+                },
                 {
                     "url": "https://tidelift.com/funding/github/packagist/symfony/symfony",
                     "type": "tidelift"
                 }
             ],
-            "time": "2020-10-24T10:57:07+00:00"
+            "time": "2026-05-15T06:40:16+00:00"
         },
         {
             "name": "tecnickcom/tcpdf",