diff --git a/services/forecasting/app/models/forecasts.py b/services/forecasting/app/models/forecasts.py
index 9884fd2e..87884c0b 100644
--- a/services/forecasting/app/models/forecasts.py
+++ b/services/forecasting/app/models/forecasts.py
@@ -32,7 +32,7 @@ class Forecast(Base):
     confidence_level = Column(Float, default=0.8)
     
     # Model information
-    model_id = Column(UUID(as_uuid=True), nullable=False)
+    model_id = Column(String(255), nullable=False)
     model_version = Column(String(50), nullable=False)
     algorithm = Column(String(50), default="prophet")