diff --git a/tests/php/Publisher/FilesystemPublisherTest.php b/tests/php/Publisher/FilesystemPublisherTest.php
index 73a9df27..c80514a5 100644
--- a/tests/php/Publisher/FilesystemPublisherTest.php
+++ b/tests/php/Publisher/FilesystemPublisherTest.php
@@ -341,7 +341,7 @@ public function testPathToURL($expected, $path): void
         );
     }
 
-    public function providePathsToURL()
+    public static function providePathsToURL()
     {
         return [
             ['http://example.com', 'index.html'],
diff --git a/tests/php/Service/UrlBundleServiceTest.php b/tests/php/Service/UrlBundleServiceTest.php
index 0fd0b794..b1738edd 100644
--- a/tests/php/Service/UrlBundleServiceTest.php
+++ b/tests/php/Service/UrlBundleServiceTest.php
@@ -93,7 +93,7 @@ public function testChunkSize(string $jobClass, int $chunkSize): void
         $this->assertEquals($chunkSize, $method->invoke($job));
     }
 
-    public function jobClasses(): array
+    public static function jobClasses(): array
     {
         return [
             [GenerateStaticCacheJob::class],
@@ -101,7 +101,7 @@ public function jobClasses(): array
         ];
     }
 
-    public function urlsPerJobCases(): array
+    public static function urlsPerJobCases(): array
     {
         return [
             [
@@ -115,7 +115,7 @@ public function urlsPerJobCases(): array
         ];
     }
 
-    public function chunkCases(): array
+    public static function chunkCases(): array
     {
         return [
             [
@@ -183,7 +183,7 @@ public function testStripStageParam(string $url, string $expectedUrl): void
         $this->assertEquals($expectedUrl, $method->invoke($urlService, $url));
     }
 
-    public function provideStripStageParamUrls(): array
+    public static function provideStripStageParamUrls(): array
     {
         return [
             // Testing removal of stage=Stage, expect http to remain http