diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 42fec7e..adf7946 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -6,13 +6,16 @@ on:
 
 jobs:
   PHPUnit:
+    name: PHPUnit (PHP ${{ matrix.php }} on ${{ matrix.os }})
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
         os:
-          - ubuntu-20.04
-          - windows-2019
+          - ubuntu-22.04
+          - windows-2022
         php:
+          - 8.2
+          - 8.1
           - 8.0
           - 7.4
           - 7.3
@@ -20,9 +23,8 @@ jobs:
           - 7.1
           - 7.0
     steps:
-      - uses: actions/checkout@v2
-      - name: Setup PHP
-        uses: shivammathur/setup-php@v2
+      - uses: actions/checkout@v3
+      - uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
           extensions: zlib
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index e556ea8..02282c3 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -4,8 +4,9 @@
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
          xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd"
          bootstrap="vendor/autoload.php"
+         cacheResult="false"
          colors="true"
-         cacheResult="false">
+         convertDeprecationsToExceptions="true">
     <testsuites>
         <testsuite name="zlib React Test Suite">
             <directory>./tests/</directory>
@@ -16,4 +17,7 @@
             <directory>./src/</directory>
         </include>
     </coverage>
+    <php>
+        <ini name="error_reporting" value="-1" />
+    </php>
 </phpunit>