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/StopwatchPeriodTest.php b/Tests/StopwatchPeriodTest.php
index 81010a7..37417ae 100644
--- a/Tests/StopwatchPeriodTest.php
+++ b/Tests/StopwatchPeriodTest.php
@@ -43,7 +43,7 @@ public function testGetDuration($start, $end, $useMorePrecision, $duration)
         $this->assertEqualsWithDelta($duration, $period->getDuration(), \PHP_FLOAT_EPSILON);
     }
 
-    public function provideTimeValues()
+    public static function provideTimeValues()
     {
         yield [0, false, 0];
         yield [0, true, 0.0];
@@ -53,7 +53,7 @@ public function provideTimeValues()
         yield [2.71, true, 2.71];
     }
 
-    public function provideDurationValues()
+    public static function provideDurationValues()
     {
         yield [0, 0, false, 0];
         yield [0, 0, true, 0.0];