diff --git a/ruleset.xml b/ruleset.xml
index dee22c1..5d4b6d4 100644
--- a/ruleset.xml
+++ b/ruleset.xml
@@ -17,6 +17,14 @@
 		</properties>
 	</rule>
 
+	<rule ref="Squiz.Classes.ClassFileName.NoMatch">
+		<exclude-pattern>tests</exclude-pattern>
+	</rule>
+
+	<rule ref="SlevomatCodingStandard.Files.TypeNameMatchesFileName.NoMatchBetweenTypeNameAndFileName">
+		<exclude-pattern>tests</exclude-pattern>
+	</rule>
+
 	<!-- Excludes -->
 	<exclude-pattern>/tests/tmp</exclude-pattern>
 </ruleset>
diff --git a/src/Forms/InvisibleReCaptchaField.php b/src/Forms/InvisibleReCaptchaField.php
index 66d1652..84fba52 100644
--- a/src/Forms/InvisibleReCaptchaField.php
+++ b/src/Forms/InvisibleReCaptchaField.php
@@ -2,7 +2,6 @@
 
 namespace Contributte\ReCaptcha\Forms;
 
-use Contributte\ReCaptcha\Exceptions\InvalidScoreException;
 use Contributte\ReCaptcha\ReCaptchaProvider;
 use Nette\Forms\Controls\HiddenField;
 use Nette\Forms\Form;
diff --git a/src/ReCaptchaProvider.php b/src/ReCaptchaProvider.php
index fc9c973..ba2d44b 100644
--- a/src/ReCaptchaProvider.php
+++ b/src/ReCaptchaProvider.php
@@ -28,10 +28,12 @@ class ReCaptchaProvider
 
 	private string $secretKey;
 
-	// Range 0..1 (1.0 is very likely a good interaction, 0.0 is very likely a bot)
+	/**
+	 * Range 0..1 (1.0 is very likely a good interaction, 0.0 is very likely a bot)
+	 */
 	private float $minimalScore;
 
-	public function __construct(string $siteKey, string $secretKey, float $minimalScore)
+	public function __construct(string $siteKey, string $secretKey, float $minimalScore = 0)
 	{
 		$this->siteKey = $siteKey;
 		$this->secretKey = $secretKey;
diff --git a/tests/Cases/DI/ReCaptchaExtension.phpt b/tests/Cases/DI/ReCaptchaExtension.phpt
index 2a788d5..2075855 100644
--- a/tests/Cases/DI/ReCaptchaExtension.phpt
+++ b/tests/Cases/DI/ReCaptchaExtension.phpt
@@ -13,9 +13,9 @@ use Tester\Assert;
 
 require __DIR__ . '/../../bootstrap.php';
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$loader = new ContainerLoader(Environment::getTestDir());
-	$class = $loader->load(function (Compiler $compiler) {
+	$class = $loader->load(function (Compiler $compiler): void {
 		$compiler->addExtension('captcha', new ReCaptchaExtension());
 
 		$compiler->addConfig([
@@ -31,10 +31,10 @@ Toolkit::test(function () {
 	Assert::equal('foobar', $container->getByType(ReCaptchaProvider::class)->getSiteKey());
 });
 
-Toolkit::test(function () {
-	Assert::exception(function () {
+Toolkit::test(function (): void {
+	Assert::exception(function (): void {
 		$loader = new ContainerLoader(Environment::getTestDir());
-		$loader->load(function (Compiler $compiler) {
+		$loader->load(function (Compiler $compiler): void {
 			$compiler->addExtension('captcha', new ReCaptchaExtension());
 			$compiler->addConfig([
 				'captcha' => [
diff --git a/tests/Cases/Forms/InvisibleReCaptchField.phpt b/tests/Cases/Forms/InvisibleReCaptchField.phpt
index 9962acf..6bffe7b 100644
--- a/tests/Cases/Forms/InvisibleReCaptchField.phpt
+++ b/tests/Cases/Forms/InvisibleReCaptchField.phpt
@@ -2,10 +2,6 @@
 
 namespace Tests\Cases\Forms;
 
-/**
- * Test: ReCaptchaField
- */
-
 use Contributte\ReCaptcha\Forms\InvisibleReCaptchaField;
 use Contributte\ReCaptcha\ReCaptchaProvider;
 use Contributte\Tester\Toolkit;
@@ -19,17 +15,14 @@ require __DIR__ . '/../../bootstrap.php';
 final class FormMock extends Form
 {
 
-	/**
-	 * @return mixed
-	 */
-	public function getHttpData(?int $type = null, ?string $htmlName = null)
+	public function getHttpData(?int $type = null, ?string $htmlName = null): mixed
 	{
 		return $htmlName;
 	}
 
 }
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$field = new InvisibleReCaptchaField(new ReCaptchaProvider('foobar', 'secret'));
 	Assert::equal(['g-recaptcha' => true], $field->getControlPrototype()->getClass());
 
@@ -40,7 +33,7 @@ Toolkit::test(function () {
 	Assert::equal('foobar', $field->getControlPrototype()->getClass());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$form = new FormMock('form');
 
 	$fieldName = 'captcha';
@@ -51,7 +44,7 @@ Toolkit::test(function () {
 	Assert::equal(sprintf(BaseControl::$idMask, $form->getName() . '-' . $fieldName), $field->getHtmlId());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$form = new FormMock('form');
 
 	$fieldName = 'captcha';
@@ -62,7 +55,7 @@ Toolkit::test(function () {
 	Assert::equal($key, $field->getControl()->{'data-sitekey'});
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$form = new FormMock('form');
 
 	$fieldName = 'captcha';
diff --git a/tests/Cases/Forms/InvisibleReCaptchaBinding.phpt b/tests/Cases/Forms/InvisibleReCaptchaBinding.phpt
index 2e6dd52..b275766 100644
--- a/tests/Cases/Forms/InvisibleReCaptchaBinding.phpt
+++ b/tests/Cases/Forms/InvisibleReCaptchaBinding.phpt
@@ -11,7 +11,7 @@ use Tester\Assert;
 
 require __DIR__ . '/../../bootstrap.php';
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$provider = new ReCaptchaProvider('foo', 'bar');
 	InvisibleReCaptchaBinding::bind($provider);
 
@@ -24,7 +24,7 @@ Toolkit::test(function () {
 	Assert::same('foo', $recaptcha->getControl()->{'data-sitekey'});
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$provider = new ReCaptchaProvider('foo', 'bar');
 	InvisibleReCaptchaBinding::bind($provider);
 
@@ -33,7 +33,7 @@ Toolkit::test(function () {
 	Assert::false($recaptcha->isRequired());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$provider = new ReCaptchaProvider('foo', 'bar');
 	InvisibleReCaptchaBinding::bind($provider);
 
diff --git a/tests/Cases/Forms/ReCaptchField.phpt b/tests/Cases/Forms/ReCaptchField.phpt
index 11b2cea..c1ccd2b 100644
--- a/tests/Cases/Forms/ReCaptchField.phpt
+++ b/tests/Cases/Forms/ReCaptchField.phpt
@@ -15,17 +15,14 @@ require __DIR__ . '/../../bootstrap.php';
 final class FormMock extends Form
 {
 
-	/**
-	 * @return mixed
-	 */
-	public function getHttpData(?int $type = null, ?string $htmlName = null)
+	public function getHttpData(?int $type = null, ?string $htmlName = null): mixed
 	{
 		return $htmlName;
 	}
 
 }
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$field = new ReCaptchaField(new ReCaptchaProvider('foobar', 'secret'));
 	Assert::equal(['g-recaptcha' => true], $field->getControlPrototype()->getClass());
 
@@ -36,7 +33,7 @@ Toolkit::test(function () {
 	Assert::equal('foobar', $field->getControlPrototype()->getClass());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$form = new FormMock('form');
 
 	$fieldName = 'captcha';
@@ -48,7 +45,7 @@ Toolkit::test(function () {
 	Assert::equal(sprintf(BaseControl::$idMask, $form->getName() . '-' . $fieldName), $field->getHtmlId());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$form = new FormMock('form');
 
 	$fieldName = 'captcha';
@@ -59,7 +56,7 @@ Toolkit::test(function () {
 	Assert::equal($key, $field->getControl()->{'data-sitekey'});
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$form = new FormMock('form');
 
 	$fieldName = 'captcha';
diff --git a/tests/Cases/Forms/ReCaptchaBinding.phpt b/tests/Cases/Forms/ReCaptchaBinding.phpt
index 44a878e..c14fe46 100644
--- a/tests/Cases/Forms/ReCaptchaBinding.phpt
+++ b/tests/Cases/Forms/ReCaptchaBinding.phpt
@@ -2,10 +2,6 @@
 
 namespace Tests\Cases\Forms;
 
-/**
- * Test: ReCaptchaBinding
- */
-
 use Contributte\ReCaptcha\Forms\ReCaptchaBinding;
 use Contributte\ReCaptcha\Forms\ReCaptchaField;
 use Contributte\ReCaptcha\ReCaptchaProvider;
@@ -15,7 +11,7 @@ use Tester\Assert;
 
 require __DIR__ . '/../../bootstrap.php';
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$provider = new ReCaptchaProvider('foo', 'bar');
 	ReCaptchaBinding::bind($provider);
 
@@ -29,7 +25,7 @@ Toolkit::test(function () {
 	Assert::same('foo', $recaptcha->getControl()->{'data-sitekey'});
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$provider = new ReCaptchaProvider('foo', 'bar');
 	ReCaptchaBinding::bind($provider);
 
@@ -38,7 +34,7 @@ Toolkit::test(function () {
 	Assert::same('My label', $recaptcha->getLabel()->getText());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$provider = new ReCaptchaProvider('foo', 'bar');
 	ReCaptchaBinding::bind($provider);
 
@@ -47,7 +43,7 @@ Toolkit::test(function () {
 	Assert::false($recaptcha->isRequired());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$provider = new ReCaptchaProvider('foo', 'bar');
 	ReCaptchaBinding::bind($provider);
 
diff --git a/tests/Cases/ReCaptchResponse.phpt b/tests/Cases/ReCaptchResponse.phpt
index 9ac5d4d..f554c23 100644
--- a/tests/Cases/ReCaptchResponse.phpt
+++ b/tests/Cases/ReCaptchResponse.phpt
@@ -8,17 +8,17 @@ use Tester\Assert;
 
 require __DIR__ . '/../bootstrap.php';
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$response = new ReCaptchaResponse(true);
 	Assert::true($response->isSuccess());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$response = new ReCaptchaResponse(true);
 	Assert::equal('1', (string) $response);
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$error = 'Some error';
 	$response = new ReCaptchaResponse(false, $error);
 	Assert::false($response->isSuccess());
diff --git a/tests/Cases/ReCaptchaProvider.phpt b/tests/Cases/ReCaptchaProvider.phpt
index a988012..148faba 100644
--- a/tests/Cases/ReCaptchaProvider.phpt
+++ b/tests/Cases/ReCaptchaProvider.phpt
@@ -13,17 +13,14 @@ require __DIR__ . '/../bootstrap.php';
 final class ControlMock extends BaseControl
 {
 
-	/**
-	 * @return string
-	 */
-	public function getValue()
+	public function getValue(): string
 	{
 		return 'test';
 	}
 
 }
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$key = 'key';
 	$validator = new ReCaptchaProvider($key, 'secret');
 
@@ -34,14 +31,14 @@ Toolkit::test(function () {
 	Assert::notEqual(null, $response->getError());
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$key = 'key';
 	$validator = new ReCaptchaProvider($key, 'secret');
 
 	Assert::false($validator->validateControl(new ControlMock()));
 });
 
-Toolkit::test(function () {
+Toolkit::test(function (): void {
 	$key = 'key';
 	$validator = new ReCaptchaProvider($key, 'secret');