diff --git a/src/Entity/Role.php b/src/Entity/Role.php
index 107e7430..168b127d 100644
--- a/src/Entity/Role.php
+++ b/src/Entity/Role.php
@@ -4,10 +4,14 @@ namespace App\Entity;
 
 use Doctrine\ORM\Mapping as ORM;
 use Doctrine\Common\Collections\ArrayCollection;
+use Symfony\Component\Validator\Constraints as Assert;
+use Symfony\Bridge\Doctrine\Validator\Constraints\UniqueEntity;
 
 /**
  * @ORM\Entity
  * @ORM\Table(name="role")
+ * @UniqueEntity("id")
+ * @UniqueEntity("name")
  */
 class Role
 {
@@ -16,11 +20,13 @@ class Role
     /**
      * @ORM\Id
      * @ORM\Column(type="string", length=80)
+     * @Assert\NotBlank()
      */
     protected $id;
 
     /**
      * @ORM\Column(type="string", length=80)
+     * @Assert\NotBlank()
      */
     protected $name;