diff --git a/composer.json b/composer.json
index 7e16723..3ac4b50 100644
--- a/composer.json
+++ b/composer.json
@@ -32,7 +32,7 @@
     "require-dev": {
         "doctrine/coding-standard": "^9 || ^12",
         "phpstan/phpstan": "^1.3",
-        "phpunit/phpunit": "^7.5 || ^8.5 || ^9.5",
+        "phpunit/phpunit": "^7.5 || ^8.5 || ^9.6",
         "psalm/plugin-phpunit": "^0.18.3",
         "vimeo/psalm": "^4.11 || ^5.21"
     },
diff --git a/tests/AbstractLexerTest.php b/tests/AbstractLexerTest.php
index 68a6181..ee581ae 100644
--- a/tests/AbstractLexerTest.php
+++ b/tests/AbstractLexerTest.php
@@ -32,7 +32,7 @@ public function tearDown(): void
     /**
      * @psalm-return list<array{string, list<Token<string, string|int>>}>
      */
-    public function dataProvider(): array
+    public static function dataProvider(): array
     {
         return [
             [
@@ -175,7 +175,7 @@ public function testGlimpse(string $input, array $expectedTokens): void
     /**
      * @psalm-return list<array{string, int, string}>
      */
-    public function inputUntilPositionDataProvider(): array
+    public static function inputUntilPositionDataProvider(): array
     {
         return [
             ['price=10', 5, 'price'],