diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 73d51e3..36c569e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,7 +6,7 @@ jobs:
   job1:
     strategy:
       matrix:
-        php_version: ["8.1", "8.2", "8.3"]
+        php_version: ["8.1", "8.2", "8.3", "8.4"]
     name: PhpStan static analyzer ${{ matrix.php_version }}
     runs-on: ubuntu-latest
     steps:
@@ -39,7 +39,7 @@ jobs:
   job2:
     strategy:
       matrix:
-        php_version: ["8.1", "8.2", "8.3"]
+        php_version: ["8.1", "8.2", "8.3", "8.4"]
     name: PhpUnit unit tests ${{ matrix.php_version }}
     runs-on: ubuntu-latest
     steps:
diff --git a/composer.json b/composer.json
index b1f47f8..97ad371 100644
--- a/composer.json
+++ b/composer.json
@@ -10,6 +10,7 @@
     ],
     "keywords": [
         "flysystem",
+        "flysystem 3",
         "filesystem",
         "cache",
         "adapter",
diff --git a/docker-compose.yml b/docker-compose.yml
index 7c410d7..a4d0c3a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: '3.2'
-
 name: flysystem-cache-adapter
 
 services:
diff --git a/tests/GetChecksum_Test.php b/tests/GetChecksum_Test.php
index 3533fb9..7fdaa0b 100644
--- a/tests/GetChecksum_Test.php
+++ b/tests/GetChecksum_Test.php
@@ -51,11 +51,8 @@ public static function dataProvider(): iterable
      */
     public function with_mock_aws_adapter(string $path, string $expectedChecksum): void
     {
-        /** @var AwsS3V3Adapter&MockInterface $awsAdapter */
-        $awsAdapter = Mockery::mock(AwsS3V3Adapter::class);
-        $awsAdapter->shouldReceive([
-            'checksum' => 'my-aws-etag',
-        ]);
+        $awsAdapter = $this->createMock(AwsS3V3Adapter::class);
+        $awsAdapter->method('checksum')->with('non-cached-file')->willReturn('my-aws-etag');
 
         $this->cacheAdapter = new CacheAdapter($awsAdapter, $this->cachePool);