diff --git a/literalai/observability/step.py b/literalai/observability/step.py
index d240a8e..b850b67 100644
--- a/literalai/observability/step.py
+++ b/literalai/observability/step.py
@@ -40,7 +40,7 @@
 StepType = Union[TrueStepType, MessageStepType]
 
 
-ScoreType = Literal["HUMAN", "AI"]
+ScoreType = Literal["HUMAN", "CODE", "AI"]
 
 
 class ScoreDict(TypedDict, total=False):