diff --git a/.gitignore b/.gitignore
index 7c04f2c..62b3d00 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,3 +25,7 @@ composer.lock
 /public/assets/
 /assets/vendor/
 ###< symfony/asset-mapper ###
+
+###> phpunit/phpunit ###
+/.phpunit.cache/
+###< phpunit/phpunit ###
diff --git a/composer.json b/composer.json
index 3ee5c0d..b972156 100644
--- a/composer.json
+++ b/composer.json
@@ -51,6 +51,7 @@
         "twig/twig": "^3.0"
     },
     "require-dev": {
+        "phpunit/phpunit": "*",
         "symfony/browser-kit": "*",
         "symfony/css-selector": "*",
         "symfony/debug-bundle": "*",
diff --git a/phpunit.dist.xml b/phpunit.dist.xml
new file mode 100644
index 0000000..22bd879
--- /dev/null
+++ b/phpunit.dist.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<!-- https://phpunit.readthedocs.io/en/latest/configuration.html -->
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
+         colors="true"
+         failOnDeprecation="true"
+         failOnNotice="true"
+         failOnWarning="true"
+         bootstrap="tests/bootstrap.php"
+         cacheDirectory=".phpunit.cache"
+>
+    <php>
+        <ini name="display_errors" value="1" />
+        <ini name="error_reporting" value="-1" />
+        <server name="APP_ENV" value="test" force="true" />
+        <server name="SHELL_VERBOSITY" value="-1" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Project Test Suite">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <source ignoreSuppressionOfDeprecations="true"
+            ignoreIndirectDeprecations="true"
+            restrictNotices="true"
+            restrictWarnings="true"
+    >
+        <include>
+            <directory>src</directory>
+        </include>
+
+        <deprecationTrigger>
+            <method>Doctrine\Deprecations\Deprecation::trigger</method>
+            <method>Doctrine\Deprecations\Deprecation::delegateTriggerToBackend</method>
+            <function>trigger_deprecation</function>
+        </deprecationTrigger>
+    </source>
+
+    <extensions>
+    </extensions>
+</phpunit>
diff --git a/symfony.lock b/symfony.lock
index c8345e0..2f9b1e9 100644
--- a/symfony.lock
+++ b/symfony.lock
@@ -104,6 +104,21 @@
     "phpdocumentor/type-resolver": {
         "version": "1.5.1"
     },
+    "phpunit/phpunit": {
+        "version": "12.2",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "main",
+            "version": "11.1",
+            "ref": "c6658a60fc9d594805370eacdf542c3d6b5c0869"
+        },
+        "files": [
+            ".env.test",
+            "phpunit.dist.xml",
+            "tests/bootstrap.php",
+            "bin/phpunit"
+        ]
+    },
     "psr/cache": {
         "version": "3.0.0"
     },