diff --git a/dibbler/models/__init__.py b/dibbler/models/__init__.py
index 1c47c1c..083bd50 100644
--- a/dibbler/models/__init__.py
+++ b/dibbler/models/__init__.py
@@ -2,6 +2,7 @@ __all__ = [
     "Base",
     "Product",
     "Transaction",
+    "TransactionType",
     "User",
 ]