diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
index 245085d..5004c53 100644
--- a/.github/workflows/run-tests.yml
+++ b/.github/workflows/run-tests.yml
@@ -9,14 +9,14 @@ jobs:
     strategy:
       fail-fast: true
       matrix:
-        php: [8.1, 8.2]
+        php: [8.1, 8.2, 8.3]
         dependency-version: [prefer-lowest, prefer-stable]
 
     name: PHP ${{ matrix.php }} - ${{ matrix.dependency-version }}
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 2
 
diff --git a/.gitignore b/.gitignore
index 6ab3388..339b2ab 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+/.idea
 /.phpunit.cache
 /build
 /vendor
diff --git a/composer.json b/composer.json
index dc38243..39c5c83 100644
--- a/composer.json
+++ b/composer.json
@@ -19,7 +19,7 @@
     },
     "require-dev": {
         "ext-dom": "*",
-        "phpunit/phpunit": "^10.0"
+        "phpunit/phpunit": "^10.0.7"
     },
     "autoload": {
         "psr-4": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index ae95804..5af5c13 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -6,12 +6,12 @@
 >
     <testsuites>
         <testsuite name="Package Test Suite">
-            <directory suffix="Test.php">./tests</directory>
+            <directory>./tests</directory>
         </testsuite>
     </testsuites>
     <coverage>
         <include>
-            <directory suffix=".php">./src</directory>
+            <directory suffix=".php">src</directory>
         </include>
         <report>
             <clover outputFile="build/coverage/clover.xml"/>