diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 12e5e20..670b024 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-version: ["7.4", "8.0", "8.1", "8.2", "8.3", "8.4"]
+        php-version: ["7.4", "8.0", "8.1", "8.2", "8.3", "8.4", "8.5"]
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -48,8 +48,17 @@ jobs:
       - name: Validate composer.json
         run: composer validate --strict --no-check-lock
 
+      # PHPUnit 9 (PHP 7.4/8.0) uses the legacy `<coverage><include>` schema;
+      # PHPUnit 10/11 (PHP 8.1+) uses the modern `<source><include>` schema.
+      # Each version's schema validator rejects the other's syntax as a runner
+      # warning, so we keep two config files and pick per matrix entry.
       - name: Run PHPUnit with coverage
-        run: ./vendor/bin/phpunit --coverage-clover coverage.xml --coverage-text
+        run: |
+          if [[ "${{ matrix.php-version }}" == "7.4" || "${{ matrix.php-version }}" == "8.0" ]]; then
+            ./vendor/bin/phpunit -c phpunit-legacy.xml.dist --coverage-clover coverage.xml --coverage-text
+          else
+            ./vendor/bin/phpunit --coverage-clover coverage.xml --coverage-text
+          fi
 
       - name: Enforce >= 80% line coverage
         run: |
diff --git a/.phpunit.result.cache b/.phpunit.result.cache
index 6e76343..94909d7 100644
--- a/.phpunit.result.cache
+++ b/.phpunit.result.cache
@@ -1 +1 @@
-{"version":1,"defects":{"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTransportExceptionReturnsTransportErrorResult":4},"times":{"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testSuccessDefaults":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testFailurePropagatesErrorFields":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testRejectsEmptyTarget":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testStoresTokenAsString":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testStoresTopic":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testStoresCondition":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testConstructorRequiresProjectId":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testEndpointInterpolatesProjectId":0.001,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testSuccessfulSendReturnsId":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testFailureMapsFcmErrorStatus":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testDataOnlyPushOmitsNotificationBlock":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testDataValuesAreStringified":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTargetPrefersToken":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testAndroidOptionsAreSerialized":0.001,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTransportExceptionReturnsTransportErrorResult":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testFirstRegisteredBecomesDefault":0.001,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testAsDefaultSwitchesDefault":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testUnknownClientThrows":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testRemoveClearsDefault":0,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testRequiresEmailAndKey":0.008,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testSuccessfulTokenIsCachedInMemory":0.004,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testPsr16CacheIsPopulatedAndReused":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testRetriesOn5xxThenSucceeds":0.002,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testRetriesOnTransportExceptionThenSucceeds":0.002,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testExhaustedRetriesThrowTransient":0.003,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testNon5xxErrorDoesNotRetry":0.001,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testUnregisteredHelper":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testInvalidArgumentHelper":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testQuotaExceededHelper":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testTransientHelper":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testRejectsAmbiguousTarget":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testRejectsAllThreeSet":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testRetriesOn503ThenSucceeds":0.001,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testRetriesOnTransportException":0.001,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testRetriesOn429":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testExhaustedRetriesReturnsTransientResult":0.001,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testClientErrorDoesNotRetry":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testFcmErrorCodeDetailOverridesStatus":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testPushResultTransientHelper":0.001,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testPriorityNormalizes":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testPriorityRejectsUnknownValue":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testChannelIdEmittedExactlyOnce":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testTtlIsSecondsString":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testRemoveUnknownReturnsFalse":0,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testMalformedCacheEntryIsIgnored":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testCacheReadFailureFallsBackToNetwork":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testCacheWriteFailureIsSwallowed":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testScopeArrayIsSpaceJoinedInJwt":0.002,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testHttp200WithoutAccessTokenThrows":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testInvalidPrivateKeyThrowsAtSignTime":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTopicTargetSerializesAsTopic":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testConditionTargetSerializesAsCondition":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testApnsPlatformOptionsAreSerialized":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testRawArrayOverridesArePassedThroughUntouched":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTokenAcquisitionFailureReturnsTokenErrorResult":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testNonJsonErrorBodyFallsBackToHttpStatusCode":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testCustomEndpointInterpolatesProjectId":0,"Dev1\\NotifyCore\\Tests\\Factory\\FcmClientFactoryTest::testCreateReturnsFcmHttpV1Client":0,"Dev1\\NotifyCore\\Tests\\Factory\\FcmClientFactoryTest::testCreatePropagatesConfigValidation":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testNegativeTtlClampsToZero":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testWithNotificationMergesIntoNotificationMap":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testChannelIdCoexistsWithNotificationMap":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testWithDataReplacesPreviousData":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testWithExtraMergesIntoOutputRoot":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testMergePrefersOtherForScalarsAndMergesMaps":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testMergeOtherOverridesChannelAndTtl":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testEmptyOptionsProduceEmptyArray":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testHeadersOnlyEmitsHeadersKey":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testApsIsNestedUnderBody":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testCustomPayloadMergesAtBodyRoot":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testWithHeadersMergesRecursively":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testMergePrefersOtherForScalarsAndMergesMaps":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testCustomWithoutApsStillProducesBody":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testSetDefaultSwitchesDefault":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testSetDefaultUnknownThrows":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testNamesListsRegisteredClients":0}}
\ No newline at end of file
+{"version":1,"defects":{"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTransportExceptionReturnsTransportErrorResult":4},"times":{"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testSuccessDefaults":0.001,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testFailurePropagatesErrorFields":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testRejectsEmptyTarget":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testStoresTokenAsString":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testStoresTopic":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testStoresCondition":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testConstructorRequiresProjectId":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testEndpointInterpolatesProjectId":0.001,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testSuccessfulSendReturnsId":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testFailureMapsFcmErrorStatus":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testDataOnlyPushOmitsNotificationBlock":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testDataValuesAreStringified":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTargetPrefersToken":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testAndroidOptionsAreSerialized":0.001,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTransportExceptionReturnsTransportErrorResult":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testFirstRegisteredBecomesDefault":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testAsDefaultSwitchesDefault":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testUnknownClientThrows":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testRemoveClearsDefault":0,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testRequiresEmailAndKey":0.008,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testSuccessfulTokenIsCachedInMemory":0.005,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testPsr16CacheIsPopulatedAndReused":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testRetriesOn5xxThenSucceeds":0.002,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testRetriesOnTransportExceptionThenSucceeds":0.002,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testExhaustedRetriesThrowTransient":0.003,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testNon5xxErrorDoesNotRetry":0.001,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testUnregisteredHelper":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testInvalidArgumentHelper":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testQuotaExceededHelper":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushResultTest::testTransientHelper":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testRejectsAmbiguousTarget":0,"Dev1\\NotifyCore\\Tests\\DTO\\PushTargetTest::testRejectsAllThreeSet":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testRetriesOn503ThenSucceeds":0.001,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testRetriesOnTransportException":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testRetriesOn429":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testExhaustedRetriesReturnsTransientResult":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testClientErrorDoesNotRetry":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testFcmErrorCodeDetailOverridesStatus":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientRetryTest::testPushResultTransientHelper":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testPriorityNormalizes":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testPriorityRejectsUnknownValue":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testChannelIdEmittedExactlyOnce":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testTtlIsSecondsString":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testRemoveUnknownReturnsFalse":0,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testMalformedCacheEntryIsIgnored":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testCacheReadFailureFallsBackToNetwork":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testCacheWriteFailureIsSwallowed":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testScopeArrayIsSpaceJoinedInJwt":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testHttp200WithoutAccessTokenThrows":0.001,"Dev1\\NotifyCore\\Tests\\Auth\\GoogleServiceAccountTokenProviderTest::testInvalidPrivateKeyThrowsAtSignTime":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTopicTargetSerializesAsTopic":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testConditionTargetSerializesAsCondition":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testApnsPlatformOptionsAreSerialized":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testRawArrayOverridesArePassedThroughUntouched":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testTokenAcquisitionFailureReturnsTokenErrorResult":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testNonJsonErrorBodyFallsBackToHttpStatusCode":0,"Dev1\\NotifyCore\\Tests\\Drivers\\FcmHttpV1ClientTest::testCustomEndpointInterpolatesProjectId":0,"Dev1\\NotifyCore\\Tests\\Factory\\FcmClientFactoryTest::testCreateReturnsFcmHttpV1Client":0,"Dev1\\NotifyCore\\Tests\\Factory\\FcmClientFactoryTest::testCreatePropagatesConfigValidation":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testNegativeTtlClampsToZero":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testWithNotificationMergesIntoNotificationMap":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testChannelIdCoexistsWithNotificationMap":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testWithDataReplacesPreviousData":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testWithExtraMergesIntoOutputRoot":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testMergePrefersOtherForScalarsAndMergesMaps":0,"Dev1\\NotifyCore\\Tests\\Platform\\AndroidOptionsTest::testMergeOtherOverridesChannelAndTtl":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testEmptyOptionsProduceEmptyArray":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testHeadersOnlyEmitsHeadersKey":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testApsIsNestedUnderBody":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testCustomPayloadMergesAtBodyRoot":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testWithHeadersMergesRecursively":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testMergePrefersOtherForScalarsAndMergesMaps":0,"Dev1\\NotifyCore\\Tests\\Platform\\ApnsOptionsTest::testCustomWithoutApsStillProducesBody":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testSetDefaultSwitchesDefault":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testSetDefaultUnknownThrows":0,"Dev1\\NotifyCore\\Tests\\Registry\\ClientRegistryTest::testNamesListsRegisteredClients":0}}
\ No newline at end of file
diff --git a/composer.json b/composer.json
index ed712c4..d79e6d1 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
   "type": "library",
   "license": "MIT",
   "require": {
-    "php": ">=7.4 <8.5",
+    "php": ">=7.4 <8.6",
     "psr/http-client": "^1.0",
     "psr/http-factory": "^1.0",
     "psr/log": "^1.1 || ^2.0 || ^3.0"
@@ -12,7 +12,7 @@
   "require-dev": {
     "nyholm/psr7": "^1.8",
     "symfony/http-client": "^5.4 || ^6.0 || ^7.0",
-    "phpunit/phpunit": "^9.6",
+    "phpunit/phpunit": "^9.6 || ^10.5 || ^11.5",
     "psr/simple-cache": "^1.0"
   },
   "suggest": {
diff --git a/phpunit-legacy.xml.dist b/phpunit-legacy.xml.dist
new file mode 100644
index 0000000..dd769dd
--- /dev/null
+++ b/phpunit-legacy.xml.dist
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    bootstrap="vendor/autoload.php"
+    colors="true"
+    beStrictAboutOutputDuringTests="true"
+    failOnWarning="true"
+    failOnRisky="true">
+    <testsuites>
+        <testsuite name="notify-core">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+    <coverage>
+        <include>
+            <directory suffix=".php">src</directory>
+        </include>
+    </coverage>
+</phpunit>
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index dd769dd..7482ef2 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -11,9 +11,9 @@
             <directory>tests</directory>
         </testsuite>
     </testsuites>
-    <coverage>
+    <source>
         <include>
             <directory suffix=".php">src</directory>
         </include>
-    </coverage>
+    </source>
 </phpunit>
diff --git a/src/Version.php b/src/Version.php
index 8b2e313..4b5a575 100644
--- a/src/Version.php
+++ b/src/Version.php
@@ -4,11 +4,9 @@
 
 final class Version
 {
-    public const VERSION = '1.2.0';
+    public const VERSION = '1.2.1';
 
-    public const USER_AGENT = 'Dev1-Notify-Core/1.2.0 (+https://github.com/DEV1-Softworks/notify-core)';
+    public const USER_AGENT = 'Dev1-Notify-Core/1.2.1 (+https://github.com/DEV1-Softworks/notify-core)';
 
-    private function __construct()
-    {
-    }
+    private function __construct() {}
 }