diff --git a/src/Application/VersionResolver.php b/src/Application/VersionResolver.php
index 7c988246006..5d3be8df3f4 100644
--- a/src/Application/VersionResolver.php
+++ b/src/Application/VersionResolver.php
@@ -19,12 +19,12 @@ final class VersionResolver
      * @api
      * @var string
      */
-    public const PACKAGE_VERSION = '1.0.2';
+    public const PACKAGE_VERSION = 'b523b734e052b47d756330e7deeaa68372fbd494';
     /**
      * @api
      * @var string
      */
-    public const RELEASE_DATE = '2024-03-03 09:40:51';
+    public const RELEASE_DATE = '2024-03-04 03:44:29';
     /**
      * @var int
      */
diff --git a/src/Configuration/RectorConfigBuilder.php b/src/Configuration/RectorConfigBuilder.php
index 246165148db..6767850ce87 100644
--- a/src/Configuration/RectorConfigBuilder.php
+++ b/src/Configuration/RectorConfigBuilder.php
@@ -66,10 +66,9 @@ final class RectorConfigBuilder
      */
     private $containerCacheDirectory;
     /**
-     * Enabled by default
-     * @var bool
+     * @var bool|null
      */
-    private $parallel = \true;
+    private $parallel;
     /**
      * @var int
      */
@@ -222,10 +221,12 @@ final class RectorConfigBuilder
         if ($this->phpVersion !== null) {
             $rectorConfig->phpVersion($this->phpVersion);
         }
-        if ($this->parallel) {
-            $rectorConfig->parallel($this->parallelTimeoutSeconds, $this->parallelMaxNumberOfProcess, $this->parallelJobSize);
-        } else {
-            $rectorConfig->disableParallel();
+        if ($this->parallel !== null) {
+            if ($this->parallel) {
+                $rectorConfig->parallel($this->parallelTimeoutSeconds, $this->parallelMaxNumberOfProcess, $this->parallelJobSize);
+            } else {
+                $rectorConfig->disableParallel();
+            }
         }
         if ($this->symfonyContainerXmlFile !== null) {
             $rectorConfig->symfonyContainerXml($this->symfonyContainerXmlFile);