diff --git a/pkg/valueobject/exchange.go b/pkg/valueobject/exchange.go
index 5593bb0f4..e541f60d1 100644
--- a/pkg/valueobject/exchange.go
+++ b/pkg/valueobject/exchange.go
@@ -221,6 +221,10 @@ var (
 	ExchangeSyncSwapV2Stable  Exchange = "syncswapv2-stable"
 	ExchangeSyncSwapV2Aqua    Exchange = "syncswapv2-aqua"
 
+	ExchangeSyncSwapV21Classic Exchange = "syncswapv21-classic"
+	ExchangeSyncSwapV21Stable  Exchange = "syncswapv21-stable"
+	ExchangeSyncSwapV21Aqua    Exchange = "syncswapv21-aqua"
+
 	ExchangeMaverickV1 Exchange = "maverick-v1"
 
 	ExchangeKyberSwapLimitOrderDS Exchange = "kyberswap-limit-order-v2"
@@ -575,6 +579,9 @@ var AMMSourceSet = map[Exchange]struct{}{
 	ExchangeSyncSwapV2Classic:          {},
 	ExchangeSyncSwapV2Stable:           {},
 	ExchangeSyncSwapV2Aqua:             {},
+	ExchangeSyncSwapV21Classic:         {},
+	ExchangeSyncSwapV21Stable:          {},
+	ExchangeSyncSwapV21Aqua:            {},
 	ExchangeMaverickV1:                 {},
 	ExchangeKyberSwapLimitOrderDS:      {},
 	ExchangeKyberPMM:                   {},