diff --git a/mev_inspect/schemas/classified_traces.py b/mev_inspect/schemas/classified_traces.py
index acebe03..a55a494 100644
--- a/mev_inspect/schemas/classified_traces.py
+++ b/mev_inspect/schemas/classified_traces.py
@@ -20,6 +20,7 @@ class Protocol(Enum):
     sushiswap = "sushiswap"
     aave = "aave"
     weth = "weth"
+    curve = "curve"
 
 
 class ClassifiedTrace(BaseModel):