diff --git a/.scrutinizer.yml b/.scrutinizer.yml
new file mode 100644
index 0000000..0056138
--- /dev/null
+++ b/.scrutinizer.yml
@@ -0,0 +1,6 @@
+build:
+  nodes:
+    my-tests:
+      environment:
+        php:
+          version: 8.1
\ No newline at end of file
diff --git a/composer.json b/composer.json
index 9b19ffa..9af21be 100644
--- a/composer.json
+++ b/composer.json
@@ -17,8 +17,8 @@
         "symfony/dependency-injection": "^4.2|^5.0|^6.0"
     },
     "require-dev": {
-        "matthiasnoback/symfony-dependency-injection-test": "^3.1",
-        "phpunit/phpunit": "^7.4",
+        "matthiasnoback/symfony-dependency-injection-test": "^4.0",
+        "phpunit/phpunit": "^10.0",
         "symfony/config": "^4.2|^5.0|^6.0",
         "symfony/yaml": "^4.2|^5.0|^6.0"
     },
diff --git a/src/Anonymizer.php b/src/Anonymizer.php
index 66739c9..407e1a6 100644
--- a/src/Anonymizer.php
+++ b/src/Anonymizer.php
@@ -41,10 +41,10 @@ public function anonymize(Connection $connection, array $targets)
                     ->getSQL()
                 ;
                 $fetchRowsStmt = $connection->prepare($fetchRowsSQL);
-                $result = $fetchRowsStmt->execute();
+                $result = $fetchRowsStmt->executeQuery();
 
                 // Anonymize all rows in current target table.
-                while ($row = $result->fetch()) {
+                while (($row = $result->fetchAssociative()) !== false) {
                     $values = [];
                     // Anonymize all target fields in current row.
                     foreach ($targetTable->getTargetFields() as $targetField) {