diff --git a/internal/handlers/ebook.go b/internal/handlers/ebook.go
index 9877575..8c729d4 100644
--- a/internal/handlers/ebook.go
+++ b/internal/handlers/ebook.go
@@ -322,7 +322,7 @@ func (h *Handler) UpdateReadingProgress(c echo.Context) error {
 
 // CreateOrUpdateEbookRatingRequest represents the request for creating/updating an ebook rating
 type CreateOrUpdateEbookRatingRequest struct {
-	Rating int32 `json:"rating" validate:"required,min=1,max=5"`
+	Rating int32 `json:"rating" validate:"required,min=1,max=10"`
 }
 
 // GetEbookRating handles GET /api/ebooks/:id/rating