diff --git a/composer.json b/composer.json
index 3c0fedf..4f61ce7 100644
--- a/composer.json
+++ b/composer.json
@@ -20,9 +20,11 @@
         "psr/clock": "^1.0"
     },
     "require-dev": {
-        "phpstan/phpstan": "^1.10",
-        "phpunit/phpunit": "^9.5",
-        "slevomat/coding-standard": "~8.0"
+        "phpstan/phpdoc-parser": "^2.3.2",
+        "phpstan/phpstan": "^2.1",
+        "phpunit/phpunit": "^11.5.55",
+        "slevomat/coding-standard": "^8.28",
+        "squizlabs/php_codesniffer": "^4.0"
     },
     "extra": {
         "branch-alias": {
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
index 8a916fc..659f89d 100644
--- a/phpunit.xml.dist
+++ b/phpunit.xml.dist
@@ -5,7 +5,6 @@
          xsi:noNamespaceSchemaLocation="vendor/phpunit/phpunit/phpunit.xsd"
          backupGlobals="false"
          colors="true"
-         convertDeprecationsToExceptions="false"
 >
     <php>
         <ini name="display_errors" value="1" />
@@ -20,11 +19,11 @@
         </testsuite>
     </testsuites>
 
-    <coverage processUncoveredFiles="true">
+    <source>
         <include>
             <directory suffix=".php">src</directory>
         </include>
-    </coverage>
+    </source>
 
     <extensions>
     </extensions>