diff --git a/codegenerator/model.py b/codegenerator/model.py
index 800077b..bb9464b 100644
--- a/codegenerator/model.py
+++ b/codegenerator/model.py
@@ -301,6 +301,9 @@ class JsonSchemaParser:
             if isinstance(const, str):
                 obj = ConstraintString(**schema)
                 return obj
+            if isinstance(const, bool):
+                obj = PrimitiveBoolean(**schema)
+                return obj
             if isinstance(const, int):
                 obj = ConstraintInteger(**schema)
                 return obj