diff --git a/database_setup/database_test.py b/database_setup/database_test.py
index c91c78f..05e7090 100644
--- a/database_setup/database_test.py
+++ b/database_setup/database_test.py
@@ -60,6 +60,7 @@ class CategoryGroup(SQLModel, table=True):
     __table_args__ = (UniqueConstraint("guild_id", "name", name="UniqueGuildCategoryGroup"),)
 
     guild: Guild | None = Relationship(back_populates="category_groups")
+    categories: list["Category"] | None = Relationship(back_populates="category_group", cascade_delete=True)
 
 
 class Category(SQLModel, table=True):
@@ -81,6 +82,9 @@ class Category(SQLModel, table=True):
 
     __table_args__ = (UniqueConstraint("group_id", "name", name="UniqueCategoryInGroup"),)
 
+    category_group: CategoryGroup | None = Relationship(back_populates="categories")
+    scores: list["Score"] | None = Relationship(back_populates="category", cascade_delete=True)
+
 
 class Score(SQLModel, table=True):
     __tablename__: str = "Scores"
@@ -96,6 +100,8 @@ class Score(SQLModel, table=True):
         ),
     )
 
+    category: Category | None = Relationship(back_populates="scores")
+
 
 class Submission(SQLModel, table=True):
     __tablename__: str = "Submissions"