diff --git a/src/CachePoolTest.php b/src/CachePoolTest.php
index e5cb3e0..6f93f0e 100644
--- a/src/CachePoolTest.php
+++ b/src/CachePoolTest.php
@@ -11,6 +11,10 @@
 
 namespace Cache\IntegrationTests;
 
+use PHPUnit\Framework\Attributes\After;
+use PHPUnit\Framework\Attributes\Before;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Group;
 use PHPUnit\Framework\TestCase;
 use Psr\Cache\CacheItemInterface;
 use Psr\Cache\CacheItemPoolInterface;
@@ -35,6 +39,7 @@ abstract public function createCachePool();
     /**
      * @before
      */
+    #[Before]
     public function setupService()
     {
         $this->cache = $this->createCachePool();
@@ -43,6 +48,7 @@ public function setupService()
     /**
      * @after
      */
+    #[After]
     public function tearDownService()
     {
         if ($this->cache !== null) {
@@ -488,6 +494,7 @@ public function testCommit()
     /**
      * @medium
      */
+    #[Group('medium')]
     public function testExpiration()
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -567,6 +574,7 @@ public function testKeyLength()
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testGetItemInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -580,6 +588,7 @@ public function testGetItemInvalidKeys($key)
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testGetItemsInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -593,6 +602,7 @@ public function testGetItemsInvalidKeys($key)
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testHasItemInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -606,6 +616,7 @@ public function testHasItemInvalidKeys($key)
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testDeleteItemInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -619,6 +630,7 @@ public function testDeleteItemInvalidKeys($key)
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testDeleteItemsInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -857,6 +869,7 @@ public function testSavingObject()
     /**
      * @medium
      */
+    #[Group('medium')]
     public function testHasItemReturnsFalseWhenDeferredItemIsExpired()
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
diff --git a/src/HierarchicalCachePoolTest.php b/src/HierarchicalCachePoolTest.php
index 7413d1e..ef44d8f 100644
--- a/src/HierarchicalCachePoolTest.php
+++ b/src/HierarchicalCachePoolTest.php
@@ -11,6 +11,8 @@
 
 namespace Cache\IntegrationTests;
 
+use PHPUnit\Framework\Attributes\After;
+use PHPUnit\Framework\Attributes\Before;
 use PHPUnit\Framework\TestCase;
 use Psr\Cache\CacheItemPoolInterface;
 
@@ -37,6 +39,7 @@ abstract public function createCachePool();
     /**
      * @before
      */
+    #[Before]
     public function setupService()
     {
         $this->cache = $this->createCachePool();
@@ -45,6 +48,7 @@ public function setupService()
     /**
      * @after
      */
+    #[After]
     public function tearDownService()
     {
         if ($this->cache !== null) {
diff --git a/src/SimpleCacheTest.php b/src/SimpleCacheTest.php
index 1d3216e..113fade 100644
--- a/src/SimpleCacheTest.php
+++ b/src/SimpleCacheTest.php
@@ -11,6 +11,10 @@
 
 namespace Cache\IntegrationTests;
 
+use PHPUnit\Framework\Attributes\After;
+use PHPUnit\Framework\Attributes\Before;
+use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\Group;
 use PHPUnit\Framework\TestCase;
 use Psr\SimpleCache\CacheInterface;
 
@@ -49,6 +53,7 @@ public function advanceTime($seconds)
     /**
      * @before
      */
+    #[Before]
     public function setupService()
     {
         $this->cache = $this->createSimpleCache();
@@ -57,6 +62,7 @@ public function setupService()
     /**
      * @after
      */
+    #[After]
     public function tearDownService()
     {
         if ($this->cache !== null) {
@@ -171,6 +177,7 @@ public function testSet()
     /**
      * @medium
      */
+    #[Group('medium')]
     public function testSetTtl()
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -269,6 +276,7 @@ public function testSetMultipleWithIntegerArrayKey()
     /**
      * @medium
      */
+    #[Group('medium')]
     public function testSetMultipleTtl()
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -441,6 +449,7 @@ public function testBasicUsageWithLongKey()
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testGetInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -454,6 +463,7 @@ public function testGetInvalidKeys($key)
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testGetMultipleInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -477,6 +487,7 @@ public function testGetMultipleNoIterable()
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testSetInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -490,6 +501,7 @@ public function testSetInvalidKeys($key)
     /**
      * @dataProvider invalidArrayKeys
      */
+    #[DataProvider('invalidArrayKeys')]
     public function testSetMultipleInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -518,6 +530,7 @@ public function testSetMultipleNoIterable()
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testHasInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -531,6 +544,7 @@ public function testHasInvalidKeys($key)
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testDeleteInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -544,6 +558,7 @@ public function testDeleteInvalidKeys($key)
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testDeleteMultipleInvalidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -567,6 +582,7 @@ public function testDeleteMultipleNoIterable()
     /**
      * @dataProvider invalidTtl
      */
+    #[DataProvider('invalidTtl')]
     public function testSetInvalidTtl($ttl)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -580,6 +596,7 @@ public function testSetInvalidTtl($ttl)
     /**
      * @dataProvider invalidTtl
      */
+    #[DataProvider('invalidTtl')]
     public function testSetMultipleInvalidTtl($ttl)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -699,6 +716,7 @@ public function testBinaryData()
     /**
      * @dataProvider validKeys
      */
+    #[DataProvider('validKeys')]
     public function testSetValidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -712,6 +730,7 @@ public function testSetValidKeys($key)
     /**
      * @dataProvider validKeys
      */
+    #[DataProvider('validKeys')]
     public function testSetMultipleValidKeys($key)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -732,6 +751,7 @@ public function testSetMultipleValidKeys($key)
     /**
      * @dataProvider validData
      */
+    #[DataProvider('validData')]
     public function testSetValidData($data)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
@@ -745,6 +765,7 @@ public function testSetValidData($data)
     /**
      * @dataProvider validData
      */
+    #[DataProvider('validData')]
     public function testSetMultipleValidData($data)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {
diff --git a/src/TaggableCachePoolTest.php b/src/TaggableCachePoolTest.php
index 73ed745..b56d727 100644
--- a/src/TaggableCachePoolTest.php
+++ b/src/TaggableCachePoolTest.php
@@ -12,6 +12,9 @@
 namespace Cache\IntegrationTests;
 
 use Cache\TagInterop\TaggableCacheItemPoolInterface;
+use PHPUnit\Framework\Attributes\After;
+use PHPUnit\Framework\Attributes\Before;
+use PHPUnit\Framework\Attributes\DataProvider;
 use PHPUnit\Framework\TestCase;
 
 /**
@@ -37,6 +40,7 @@ abstract public function createCachePool();
     /**
      * @before
      */
+    #[Before]
     public function setupService()
     {
         $this->cache = $this->createCachePool();
@@ -45,6 +49,7 @@ public function setupService()
     /**
      * @after
      */
+    #[After]
     public function tearDownService()
     {
         if ($this->cache !== null) {
@@ -133,6 +138,7 @@ public function testTagAccessorWithEmptyTag()
     /**
      * @dataProvider invalidKeys
      */
+    #[DataProvider('invalidKeys')]
     public function testTagAccessorWithInvalidTag($tag)
     {
         if (isset($this->skippedTests[__FUNCTION__])) {