diff --git a/LICENSE b/LICENSE
index 0083704..0138f8f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2004-2023 Fabien Potencier
+Copyright (c) 2004-present Fabien Potencier
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/Tests/PackageTest.php b/Tests/PackageTest.php
index 8d7f7b8..45b0982 100644
--- a/Tests/PackageTest.php
+++ b/Tests/PackageTest.php
@@ -27,7 +27,7 @@ public function testGetUrl($version, $format, $path, $expected)
         $this->assertSame($expected, $package->getUrl($path));
     }
 
-    public function getConfigs()
+    public static function getConfigs()
     {
         return [
             ['v1', '', 'http://example.com/foo', 'http://example.com/foo'],
diff --git a/Tests/PathPackageTest.php b/Tests/PathPackageTest.php
index 57bb80b..0784ac6 100644
--- a/Tests/PathPackageTest.php
+++ b/Tests/PathPackageTest.php
@@ -28,7 +28,7 @@ public function testGetUrl($basePath, $format, $path, $expected)
         $this->assertSame($expected, $package->getUrl($path));
     }
 
-    public function getConfigs()
+    public static function getConfigs()
     {
         return [
             ['/foo', '', 'http://example.com/foo', 'http://example.com/foo'],
@@ -60,7 +60,7 @@ public function testGetUrlWithContext($basePathRequest, $basePath, $format, $pat
         $this->assertSame($expected, $package->getUrl($path));
     }
 
-    public function getContextConfigs()
+    public static function getContextConfigs()
     {
         return [
             ['', '/foo', '', '/baz', '/baz?v1'],
diff --git a/Tests/UrlPackageTest.php b/Tests/UrlPackageTest.php
index 6384b45..682cf6a 100644
--- a/Tests/UrlPackageTest.php
+++ b/Tests/UrlPackageTest.php
@@ -31,7 +31,7 @@ public function testGetUrl($baseUrls, $format, $path, $expected)
         $this->assertSame($expected, $package->getUrl($path));
     }
 
-    public function getConfigs()
+    public static function getConfigs()
     {
         return [
             ['http://example.net', '', 'http://example.com/foo', 'http://example.com/foo'],
@@ -72,7 +72,7 @@ public function testGetUrlWithContext($secure, $baseUrls, $format, $path, $expec
         $this->assertSame($expected, $package->getUrl($path));
     }
 
-    public function getContextConfigs()
+    public static function getContextConfigs()
     {
         return [
             [false, 'http://example.com', '', 'foo', 'http://example.com/foo?v1'],
@@ -116,7 +116,7 @@ public function testWrongBaseUrl($baseUrls)
         new UrlPackage($baseUrls, new EmptyVersionStrategy());
     }
 
-    public function getWrongBaseUrlConfig()
+    public static function getWrongBaseUrlConfig()
     {
         return [
             ['not-a-url'],
diff --git a/Tests/VersionStrategy/JsonManifestVersionStrategyTest.php b/Tests/VersionStrategy/JsonManifestVersionStrategyTest.php
index d3748bb..46c7d05 100644
--- a/Tests/VersionStrategy/JsonManifestVersionStrategyTest.php
+++ b/Tests/VersionStrategy/JsonManifestVersionStrategyTest.php
@@ -82,22 +82,22 @@ public function testRemoteManifestFileWithoutHttpClient()
         new JsonManifestVersionStrategy('https://cdn.example.com/manifest.json');
     }
 
-    public function provideValidStrategies()
+    public static function provideValidStrategies(): \Generator
     {
-        yield from $this->provideStrategies('manifest-valid.json');
+        yield from static::provideStrategies('manifest-valid.json');
     }
 
-    public function provideInvalidStrategies()
+    public static function provideInvalidStrategies(): \Generator
     {
-        yield from $this->provideStrategies('manifest-invalid.json');
+        yield from static::provideStrategies('manifest-invalid.json');
     }
 
-    public function provideMissingStrategies()
+    public static function provideMissingStrategies(): \Generator
     {
-        yield from $this->provideStrategies('non-existent-file.json');
+        yield from static::provideStrategies('non-existent-file.json');
     }
 
-    public function provideStrategies(string $manifestPath)
+    public static function provideStrategies(string $manifestPath): \Generator
     {
         $httpClient = new MockHttpClient(function ($method, $url, $options) {
             $filename = __DIR__.'/../fixtures/'.basename($url);
@@ -114,7 +114,7 @@ public function provideStrategies(string $manifestPath)
         yield [new JsonManifestVersionStrategy(__DIR__.'/../fixtures/'.$manifestPath)];
     }
 
-    public function provideStrictStrategies()
+    public static function provideStrictStrategies(): \Generator
     {
         $strategy = new JsonManifestVersionStrategy(__DIR__.'/../fixtures/manifest-valid.json', null, true);
 
diff --git a/Tests/VersionStrategy/StaticVersionStrategyTest.php b/Tests/VersionStrategy/StaticVersionStrategyTest.php
index d054e84..ec06ba6 100644
--- a/Tests/VersionStrategy/StaticVersionStrategyTest.php
+++ b/Tests/VersionStrategy/StaticVersionStrategyTest.php
@@ -34,7 +34,7 @@ public function testApplyVersion($path, $version, $format)
         $this->assertSame($formatted, $staticVersionStrategy->applyVersion($path));
     }
 
-    public function getConfigs()
+    public static function getConfigs()
     {
         return [
             ['test-path', 'v1', null],