diff --git a/src/Entity/Project.php b/src/Entity/Project.php
index 6a5afcd..6191f01 100644
--- a/src/Entity/Project.php
+++ b/src/Entity/Project.php
@@ -69,6 +69,12 @@ class Project
     #[Groups(['project:read', 'project:write'])]
     private ?Client $client = null;
 
+    #[ORM\ManyToOne(targetEntity: Workflow::class)]
+    #[ORM\JoinColumn(nullable: false, onDelete: 'RESTRICT')]
+    #[Groups(['project:read', 'project:write', 'task:read'])]
+    #[Assert\NotNull(message: 'Un projet doit avoir un workflow.')]
+    private ?Workflow $workflow = null;
+
     #[ORM\Column(length: 255, nullable: true)]
     #[Groups(['project:read', 'project:write', 'task:read'])]
     private ?string $giteaOwner = null;
@@ -228,6 +234,18 @@ class Project
         return $this;
     }
 
+    public function getWorkflow(): ?Workflow
+    {
+        return $this->workflow;
+    }
+
+    public function setWorkflow(Workflow $workflow): static
+    {
+        $this->workflow = $workflow;
+
+        return $this;
+    }
+
     #[Groups(['project:read'])]
     public function getTaskCount(): int
     {