diff --git a/projects/models.py b/projects/models.py
index 88ed65d..d034525 100644
--- a/projects/models.py
+++ b/projects/models.py
@@ -6,6 +6,7 @@ from common.models.choiceModels import InvitationStatus
 from django.contrib.postgres.fields import ArrayField
 from django.conf import settings
 
+from notifications.models import Notification
 from users.models import User
 
 
@@ -35,3 +36,4 @@ class ProjectInvitation(BaseModel):
     to_user = models.ForeignKey(User, on_delete=models.CASCADE, related_name='received_invitations')
     project = models.ForeignKey(Project, on_delete=models.CASCADE)
     status = models.CharField(max_length=10, choices=InvitationStatus.choices)
+    notification = models.OneToOneField(Notification, on_delete=models.CASCADE, related_name='project_invitation', null=True, blank=True)
\ No newline at end of file