diff --git a/.changes/unreleased/Feature-20260105-150817.yaml b/.changes/unreleased/Feature-20260105-150817.yaml
new file mode 100644
index 000000000..c1d5977d3
--- /dev/null
+++ b/.changes/unreleased/Feature-20260105-150817.yaml
@@ -0,0 +1,6 @@
+kind: Feature
+body: Display version of chill bundles in application footer
+time: 2026-01-05T15:08:17.317719064+01:00
+custom:
+    Issue: "473"
+    SchemaChange: No schema change
diff --git a/composer.json b/composer.json
index 829d5e7db..8fc4c300e 100644
--- a/composer.json
+++ b/composer.json
@@ -21,6 +21,7 @@
         "ext-openssl": "*",
         "ext-redis": "*",
         "ext-zlib": "*",
+        "composer-runtime-api": "*",
         "champs-libres/wopi-bundle": "dev-symfony-v5@dev",
         "champs-libres/wopi-lib": "dev-master@dev",
         "doctrine/data-fixtures": "^1.8",
diff --git a/src/Bundle/ChillMainBundle/Resources/views/Layout/_footer.html.twig b/src/Bundle/ChillMainBundle/Resources/views/Layout/_footer.html.twig
index df6ba912b..43a91b5e1 100644
--- a/src/Bundle/ChillMainBundle/Resources/views/Layout/_footer.html.twig
+++ b/src/Bundle/ChillMainBundle/Resources/views/Layout/_footer.html.twig
@@ -2,6 +2,10 @@
     <p>
         {{ 'This program is free software: you can redistribute it and/or modify it under the terms of the <strong>GNU Affero General Public License</strong>'|trans|raw }}
         <br/>
+        {% if get_chill_version() %}
+            {{ 'footer.Running chill version %version%'|trans({ '%version%': get_chill_version() }) }}
+        {% endif %}
+        <br/>
         <a name="bottom" class="btn text-white" href="https://gitea.champs-libres.be/Chill-project/manuals/releases" target="_blank">
             {{ 'User manual'|trans }}
         </a>
diff --git a/src/Bundle/ChillMainBundle/Service/VersionProvider.php b/src/Bundle/ChillMainBundle/Service/VersionProvider.php
new file mode 100644
index 000000000..28b4f3ff3
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Service/VersionProvider.php
@@ -0,0 +1,45 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Service;
+
+use Composer\InstalledVersions;
+
+readonly class VersionProvider
+{
+    public function __construct(private string $packageName) {}
+
+    public function getVersion(): string
+    {
+        try {
+            $version = InstalledVersions::getPrettyVersion($this->packageName);
+
+            if (null === $version) {
+                return 'unknown';
+            }
+
+            return $version;
+        } catch (\OutOfBoundsException) {
+            return 'unknown';
+        }
+    }
+
+    public function getFormattedVersion(): string
+    {
+        $version = $this->getVersion();
+
+        if ('unknown' === $version) {
+            return 'Version unavailable';
+        }
+
+        return $version;
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/Templating/VersionRenderExtension.php b/src/Bundle/ChillMainBundle/Templating/VersionRenderExtension.php
new file mode 100644
index 000000000..ca3f362a2
--- /dev/null
+++ b/src/Bundle/ChillMainBundle/Templating/VersionRenderExtension.php
@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+namespace Chill\MainBundle\Templating;
+
+use Chill\MainBundle\Service\VersionProvider;
+use Twig\Extension\AbstractExtension;
+use Twig\TwigFunction;
+
+class VersionRenderExtension extends AbstractExtension
+{
+    public function __construct(
+        private readonly VersionProvider $versionProvider,
+    ) {}
+
+    public function getFunctions(): array
+    {
+        return [
+            new TwigFunction('get_chill_version', $this->getChillVersion(...)),
+        ];
+    }
+
+    public function getChillVersion(): string
+    {
+        return $this->versionProvider->getFormattedVersion();
+    }
+}
diff --git a/src/Bundle/ChillMainBundle/config/services.yaml b/src/Bundle/ChillMainBundle/config/services.yaml
index d8d4a475d..f73eeb071 100644
--- a/src/Bundle/ChillMainBundle/config/services.yaml
+++ b/src/Bundle/ChillMainBundle/config/services.yaml
@@ -115,3 +115,7 @@ services:
             $vienEntityInfoProviders: !tagged_iterator chill_main.entity_info_provider
 
     Chill\MainBundle\Action\User\UpdateProfile\UpdateProfileCommandHandler: ~
+
+    Chill\MainBundle\Service\VersionProvider:
+        arguments:
+            $packageName: 'chill-project/chill-bundles'
diff --git a/src/Bundle/ChillMainBundle/config/services/templating.yaml b/src/Bundle/ChillMainBundle/config/services/templating.yaml
index 56bc1ff75..c081d96fd 100644
--- a/src/Bundle/ChillMainBundle/config/services/templating.yaml
+++ b/src/Bundle/ChillMainBundle/config/services/templating.yaml
@@ -66,3 +66,7 @@ services:
         resource: './../../Templating/Listing'
 
     Chill\MainBundle\Templating\Listing\FilterOrderHelperFactoryInterface: '@Chill\MainBundle\Templating\Listing\FilterOrderHelperFactory'
+
+    Chill\MainBundle\Templating\VersionRenderExtension:
+        tags:
+            - { name: twig.extension }
diff --git a/src/Bundle/ChillMainBundle/translations/messages.fr.yml b/src/Bundle/ChillMainBundle/translations/messages.fr.yml
index b6343312e..387c16662 100644
--- a/src/Bundle/ChillMainBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillMainBundle/translations/messages.fr.yml
@@ -48,6 +48,9 @@ See: Voir
 Name: Nom
 Label: Nom
 
+footer:
+    Running chill version %version%: "Version de Chill: %version%"
+
 user:
     current_user: Utilisateur courant
     profile: