diff --git a/composer.json b/composer.json
index 8763977c1..2ac38f82b 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
 		"php": "^7.2 || ^8.0",
 		"dealerdirect/phpcodesniffer-composer-installer": "^0.6.2 || ^0.7 || ^1.0",
 		"phpstan/phpdoc-parser": "^1.23.1",
-		"squizlabs/php_codesniffer": "^3.7.1"
+		"squizlabs/php_codesniffer": "^3.9.0"
 	},
 	"require-dev": {
 		"phing/phing": "2.17.4",
diff --git a/tests/Sniffs/Namespaces/UnusedUsesSniffTest.php b/tests/Sniffs/Namespaces/UnusedUsesSniffTest.php
index d77fd5ba1..147a926a5 100644
--- a/tests/Sniffs/Namespaces/UnusedUsesSniffTest.php
+++ b/tests/Sniffs/Namespaces/UnusedUsesSniffTest.php
@@ -68,6 +68,7 @@ public function testUnusedUse(): void
 		self::assertNoSniffError($report, 29);
 
 		self::assertNoSniffError($report, 30);
+		self::assertNoSniffError($report, 31);
 
 		self::assertNoSniffError($report, 91);
 	}
diff --git a/tests/Sniffs/Namespaces/data/unusedUses.php b/tests/Sniffs/Namespaces/data/unusedUses.php
index 9e4607e26..9f8fbcd51 100644
--- a/tests/Sniffs/Namespaces/data/unusedUses.php
+++ b/tests/Sniffs/Namespaces/data/unusedUses.php
@@ -28,6 +28,7 @@
 use ReferenceClass;
 use ClassWithStaticVariable;
 use ClassWithConstant;
+use function Psl\Type\null;
 
 class TestClass implements FirstInterface, SecondInterface
 {
@@ -67,3 +68,5 @@ protected function withUnion(UnionType|UnionType2|bool $union)
 	}
 
 }
+
+null();