diff --git a/src/ValueObject/ServiceDefinition.php b/src/ValueObject/ServiceDefinition.php
index 5233217bc..1d992ee4a 100644
--- a/src/ValueObject/ServiceDefinition.php
+++ b/src/ValueObject/ServiceDefinition.php
@@ -16,6 +16,7 @@ public function __construct(
         private ?string $class,
         private bool $isPublic,
         private bool $isSynthetic,
+        private bool $isShared,
         private ?string $alias,
         private array $tags
     ) {
@@ -41,6 +42,11 @@ public function isSynthetic(): bool
         return $this->isSynthetic;
     }
 
+    public function isShared(): bool
+    {
+        return $this->isShared;
+    }
+
     public function getAlias(): ?string
     {
         return $this->alias;
diff --git a/src/ValueObjectFactory/ServiceMapFactory.php b/src/ValueObjectFactory/ServiceMapFactory.php
index 18db8d735..e3d16aa44 100644
--- a/src/ValueObjectFactory/ServiceMapFactory.php
+++ b/src/ValueObjectFactory/ServiceMapFactory.php
@@ -113,6 +113,10 @@ private function createServiceFromXmlAndTagsData(SimpleXMLElement $attrs, array
                 $attrs,
                 'synthetic'
             ) && $attrs->synthetic instanceof SimpleXMLElement && (string) $attrs->synthetic === 'true',
+            ! (property_exists(
+                $attrs,
+                'shared'
+            ) && $attrs->shared instanceof SimpleXMLElement) || (string) $attrs->shared !== 'false',
             property_exists(
                 $attrs,
                 'alias'
@@ -144,6 +148,7 @@ private function createAliasServiceDefinitions(array $aliases, array $services):
                 $services[$alias]->getClass(),
                 $service->isPublic(),
                 $service->isSynthetic(),
+                $service->isShared(),
                 $alias,
                 []
             );