diff --git a/LICENSE b/LICENSE
index 0f262c2..0ed3a24 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,4 +1,4 @@
-Copyright (c) 2020-2023 Fabien Potencier
+Copyright (c) 2020-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/Command/GenerateUlidCommandTest.php b/Tests/Command/GenerateUlidCommandTest.php
index c304915..7976b9e 100644
--- a/Tests/Command/GenerateUlidCommandTest.php
+++ b/Tests/Command/GenerateUlidCommandTest.php
@@ -115,7 +115,7 @@ public function testComplete(array $input, array $expectedSuggestions)
         $this->assertSame($expectedSuggestions, $suggestions);
     }
 
-    public function provideCompletionSuggestions(): iterable
+    public static function provideCompletionSuggestions(): iterable
     {
         yield 'option --format' => [
             ['--format', ''],
diff --git a/Tests/Command/GenerateUuidCommandTest.php b/Tests/Command/GenerateUuidCommandTest.php
index d95d2c4..92a2bc7 100644
--- a/Tests/Command/GenerateUuidCommandTest.php
+++ b/Tests/Command/GenerateUuidCommandTest.php
@@ -132,7 +132,7 @@ public function testInvalidCombinationOfBasedOptions(array $input)
         $this->assertStringContainsString('Only one of "--time-based", "--name-based" or "--random-based"', $commandTester->getDisplay());
     }
 
-    public function provideInvalidCombinationOfBasedOptions()
+    public static function provideInvalidCombinationOfBasedOptions()
     {
         return [
             [['--time-based' => 'now', '--name-based' => 'foo']],
@@ -153,7 +153,7 @@ public function testExtraNodeOption(array $input)
         $this->assertStringContainsString('Option "--node" can only be used with "--time-based"', $commandTester->getDisplay());
     }
 
-    public function provideExtraNodeOption()
+    public static function provideExtraNodeOption()
     {
         return [
             [['--node' => 'foo']],
@@ -173,7 +173,7 @@ public function testExtraNamespaceOption(array $input)
         $this->assertStringContainsString('Option "--namespace" can only be used with "--name-based"', $commandTester->getDisplay());
     }
 
-    public function provideExtraNamespaceOption()
+    public static function provideExtraNamespaceOption()
     {
         return [
             [['--namespace' => 'foo']],
@@ -244,7 +244,7 @@ public function testComplete(array $input, array $expectedSuggestions)
         $this->assertSame($expectedSuggestions, $suggestions);
     }
 
-    public function provideCompletionSuggestions(): iterable
+    public static function provideCompletionSuggestions(): iterable
     {
         yield 'option --format' => [
             ['--format', ''],
diff --git a/Tests/UlidTest.php b/Tests/UlidTest.php
index 2e626dd..b08d9d5 100644
--- a/Tests/UlidTest.php
+++ b/Tests/UlidTest.php
@@ -156,7 +156,7 @@ public function testFromBinaryInvalidFormat(string $ulid)
         Ulid::fromBinary($ulid);
     }
 
-    public function provideInvalidBinaryFormat()
+    public static function provideInvalidBinaryFormat()
     {
         return [
             ['01EW2RYKDCT2SAK454KBR2QG08'],
@@ -183,7 +183,7 @@ public function testFromBase58InvalidFormat(string $ulid)
         Ulid::fromBase58($ulid);
     }
 
-    public function provideInvalidBase58Format()
+    public static function provideInvalidBase58Format()
     {
         return [
             ["\x01\x77\x05\x8F\x4D\xAC\xD0\xB2\xA9\x90\xA4\x9A\xF0\x2B\xC0\x08"],
@@ -210,7 +210,7 @@ public function testFromBase32InvalidFormat(string $ulid)
         Ulid::fromBase32($ulid);
     }
 
-    public function provideInvalidBase32Format()
+    public static function provideInvalidBase32Format()
     {
         return [
             ["\x01\x77\x05\x8F\x4D\xAC\xD0\xB2\xA9\x90\xA4\x9A\xF0\x2B\xC0\x08"],
@@ -237,7 +237,7 @@ public function testFromRfc4122InvalidFormat(string $ulid)
         Ulid::fromRfc4122($ulid);
     }
 
-    public function provideInvalidRfc4122Format()
+    public static function provideInvalidRfc4122Format()
     {
         return [
             ["\x01\x77\x05\x8F\x4D\xAC\xD0\xB2\xA9\x90\xA4\x9A\xF0\x2B\xC0\x08"],
diff --git a/Tests/UuidTest.php b/Tests/UuidTest.php
index f65504a..b2dd8c0 100644
--- a/Tests/UuidTest.php
+++ b/Tests/UuidTest.php
@@ -41,7 +41,7 @@ public function testConstructorWithInvalidUuid(string $uuid)
         Uuid::fromString($uuid);
     }
 
-    public function provideInvalidUuids(): iterable
+    public static function provideInvalidUuids(): iterable
     {
         yield ['this is not a uuid'];
         yield ['these are just thirty-six characters'];
@@ -64,7 +64,7 @@ public function testInvalidVariant(string $uuid)
         new $class($uuid);
     }
 
-    public function provideInvalidVariant(): iterable
+    public static function provideInvalidVariant(): iterable
     {
         yield ['8dac64d3-937a-1e7c-fa1d-d5d6c06a61f5'];
         yield ['8dac64d3-937a-3e7c-fa1d-d5d6c06a61f5'];
@@ -240,7 +240,7 @@ public function testEqualsAgainstOtherType($other)
         $this->assertFalse((new UuidV4(self::A_UUID_V4))->equals($other));
     }
 
-    public function provideInvalidEqualType()
+    public static function provideInvalidEqualType()
     {
         yield [null];
         yield [self::A_UUID_V1];
@@ -319,7 +319,7 @@ public function testFromBinaryInvalidFormat(string $ulid)
         Uuid::fromBinary($ulid);
     }
 
-    public function provideInvalidBinaryFormat()
+    public static function provideInvalidBinaryFormat()
     {
         return [
             ['01EW2RYKDCT2SAK454KBR2QG08'],
@@ -346,7 +346,7 @@ public function testFromBase58InvalidFormat(string $ulid)
         Uuid::fromBase58($ulid);
     }
 
-    public function provideInvalidBase58Format()
+    public static function provideInvalidBase58Format()
     {
         return [
             ["\x41\x4C\x08\x92\x57\x1B\x11\xEB\xBF\x70\x93\xF9\xB0\x82\x2C\x57"],
@@ -373,7 +373,7 @@ public function testFromBase32InvalidFormat(string $ulid)
         Uuid::fromBase32($ulid);
     }
 
-    public function provideInvalidBase32Format()
+    public static function provideInvalidBase32Format()
     {
         return [
             ["\x5B\xA8\x32\x72\x45\x6D\x5A\xC0\xAB\xE3\xAA\x8B\xF7\x01\x96\x73"],
@@ -400,7 +400,7 @@ public function testFromRfc4122InvalidFormat(string $ulid)
         Uuid::fromRfc4122($ulid);
     }
 
-    public function provideInvalidRfc4122Format()
+    public static function provideInvalidRfc4122Format()
     {
         return [
             ["\x1E\xB5\x71\xB4\x14\xC0\x68\x93\xBF\x70\x2D\x4C\x83\xCF\x75\x5A"],