diff --git a/.github/workflows/php-tests.yml b/.github/workflows/php-tests.yml
index 1d70db5..6d0dfe2 100644
--- a/.github/workflows/php-tests.yml
+++ b/.github/workflows/php-tests.yml
@@ -17,3 +17,4 @@ jobs:
       php-extensions: uopz
       stable-php-versions: '["8.1"]'
       experimental-php-versions: '["8.2","8.3"]'
+      minimum-phpunit-version: '10.5.x'
diff --git a/composer.json b/composer.json
index b3076dd..420a94a 100644
--- a/composer.json
+++ b/composer.json
@@ -10,7 +10,7 @@
   },
   "require-dev": {
     "lunr/halo": "dev-master",
-    "phpunit/phpunit": ">=9.0 <9.6",
+    "phpunit/phpunit": ">=10.5 <11.0",
     "ext-xdebug": "~3.1"
   },
   "config": {
diff --git a/tests/phpunit.xml b/tests/phpunit.xml
index fd631cf..e789a5f 100644
--- a/tests/phpunit.xml
+++ b/tests/phpunit.xml
@@ -3,29 +3,24 @@
 <!-- SPDX-FileCopyrightText: Copyright 2022 Move Agency Group B.V., Zwolle, The Netherlands -->
 <!-- SPDX-License-Identifier: CC0-1.0 -->
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/10.5/phpunit.xsd"
          bootstrap="test.bootstrap.inc.php"
          backupGlobals="false"
-         backupStaticAttributes="false"
-         cacheResult="false"
-         forceCoversAnnotation="true"
          colors="true"
-         verbose="true">
-    <php>
-        <ini name="zend.enable_gc" value="1"/>
-    </php>
+         cacheDirectory="../build/.phpunit.cache"
+         backupStaticProperties="false"
+         requireCoverageMetadata="true"
+         displayDetailsOnTestsThatTriggerDeprecations="true"
+         displayDetailsOnTestsThatTriggerErrors="true"
+         displayDetailsOnTestsThatTriggerNotices="true"
+         displayDetailsOnTestsThatTriggerWarnings="true"
+         displayDetailsOnPhpunitDeprecations="true">
     <testsuites>
         <testsuite name="CliParser">
             <directory>../src/Lunr/Shadow/Tests/</directory>
         </testsuite>
     </testsuites>
     <coverage>
-        <include>
-            <directory>../src/Lunr/</directory>
-        </include>
-        <exclude>
-            <directory>../src/Lunr/Shadow/Tests/</directory>
-        </exclude>
         <report>
             <clover outputFile="../build/logs/clover.xml"/>
             <html outputDirectory="../build/coverage" lowUpperBound="35" highLowerBound="70"/>
@@ -34,4 +29,12 @@
     <logging>
         <junit outputFile="../build/logs/junit.xml"/>
     </logging>
+    <source>
+        <include>
+            <directory>../src/Lunr/</directory>
+        </include>
+        <exclude>
+            <directory>../src/Lunr/Shadow/Tests/</directory>
+        </exclude>
+    </source>
 </phpunit>
