diff --git a/internal/models/feedback.go b/internal/models/feedback.go
index ba69b03..620e48e 100644
--- a/internal/models/feedback.go
+++ b/internal/models/feedback.go
@@ -15,7 +15,7 @@ type Feedback struct {
 	Type FeedbackType `gorm:"type:varchar(255)"`
 	Text string       `gorm:"type:varchar(300)"`
 
-	Upvote []Upvote `gorm:"foreignKey:FeedbackUUID;references:UUID"`
+	Upvote []Upvote `gorm:"foreignKey:FeedbackUUID"`
 
 	CreatedAt time.Time `gorm:"type:timestamp"`
 	UpdatedAt time.Time `gorm:"type:timestamp"`
diff --git a/internal/models/upvote.go b/internal/models/upvote.go
index 36f0d86..9d0c6f0 100644
--- a/internal/models/upvote.go
+++ b/internal/models/upvote.go
@@ -7,7 +7,7 @@ import (
 
 type Upvote struct {
 	UUID         string    `gorm:"primaryKey"`
-	SessionUUID  string    `gorm:"type:varchar(255);unique"`
+	SessionUUID  string    `gorm:"type:varchar(255)"`
 	FeedbackUUID string    `gorm:"type:varchar(255)"`
 	CreatedAt    time.Time `gorm:"type:timestamp"`
 }