diff --git a/contracts/zero-ex/CHANGELOG.json b/contracts/zero-ex/CHANGELOG.json
index 9812e5b7d1..97bbaafc6b 100644
--- a/contracts/zero-ex/CHANGELOG.json
+++ b/contracts/zero-ex/CHANGELOG.json
@@ -10,6 +10,9 @@
             },
             {
                 "note": "Add Base Mainnet and Goerli BridgeAdapters"
+            },
+            {
+                "note": "Add Uniswap V3 support on Avalanche and BSC"
             }
         ]
     },
diff --git a/contracts/zero-ex/contracts/src/transformers/bridges/AvalancheBridgeAdapter.sol b/contracts/zero-ex/contracts/src/transformers/bridges/AvalancheBridgeAdapter.sol
index f2ce9879c6..c8f836b565 100644
--- a/contracts/zero-ex/contracts/src/transformers/bridges/AvalancheBridgeAdapter.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/AvalancheBridgeAdapter.sol
@@ -28,6 +28,7 @@ import "./mixins/MixinNerve.sol";
 import "./mixins/MixinPlatypus.sol";
 import "./mixins/MixinTraderJoeV2.sol";
 import "./mixins/MixinUniswapV2.sol";
+import "./mixins/MixinUniswapV3.sol";
 import "./mixins/MixinWOOFi.sol";
 import "./mixins/MixinZeroExBridge.sol";
 
@@ -44,6 +45,7 @@ contract AvalancheBridgeAdapter is
     MixinPlatypus,
     MixinTraderJoeV2,
     MixinUniswapV2,
+    MixinUniswapV3,
     MixinWOOFi,
     MixinZeroExBridge
 {
@@ -72,6 +74,11 @@ contract AvalancheBridgeAdapter is
                 return (0, true);
             }
             boughtAmount = _tradeUniswapV2(buyToken, sellAmount, order.bridgeData);
+        } else if (protocolId == BridgeProtocols.UNISWAPV3) {
+            if (dryRun) {
+                return (0, true);
+            }
+            boughtAmount = _tradeUniswapV3(sellToken, sellAmount, order.bridgeData);
         } else if (protocolId == BridgeProtocols.NERVE) {
             if (dryRun) {
                 return (0, true);
diff --git a/contracts/zero-ex/contracts/src/transformers/bridges/BSCBridgeAdapter.sol b/contracts/zero-ex/contracts/src/transformers/bridges/BSCBridgeAdapter.sol
index de7809a9a6..d98b16a946 100644
--- a/contracts/zero-ex/contracts/src/transformers/bridges/BSCBridgeAdapter.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/BSCBridgeAdapter.sol
@@ -25,6 +25,7 @@ import "./mixins/MixinKyberElastic.sol";
 import "./mixins/MixinMooniswap.sol";
 import "./mixins/MixinNerve.sol";
 import "./mixins/MixinUniswapV2.sol";
+import "./mixins/MixinUniswapV3.sol";
 import "./mixins/MixinWOOFi.sol";
 import "./mixins/MixinZeroExBridge.sol";
 
@@ -38,6 +39,7 @@ contract BSCBridgeAdapter is
     MixinMooniswap,
     MixinNerve,
     MixinUniswapV2,
+    MixinUniswapV3,
     MixinWOOFi,
     MixinZeroExBridge
 {
@@ -61,6 +63,11 @@ contract BSCBridgeAdapter is
                 return (0, true);
             }
             boughtAmount = _tradeUniswapV2(buyToken, sellAmount, order.bridgeData);
+        } else if (protocolId == BridgeProtocols.UNISWAPV3) {
+            if (dryRun) {
+                return (0, true);
+            }
+            boughtAmount = _tradeUniswapV3(sellToken, sellAmount, order.bridgeData);
         } else if (protocolId == BridgeProtocols.MOONISWAP) {
             if (dryRun) {
                 return (0, true);
diff --git a/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinUniswapV3.sol b/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinUniswapV3.sol
index 1aedd28cc0..660938a8db 100644
--- a/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinUniswapV3.sol
+++ b/contracts/zero-ex/contracts/src/transformers/bridges/mixins/MixinUniswapV3.sol
@@ -31,6 +31,18 @@ interface IUniswapV3Router {
     function exactInput(ExactInputParams memory params) external payable returns (uint256 amountOut);
 }
 
+// https://github.com/Uniswap/swap-router-contracts/blob/main/contracts/interfaces/IV3SwapRouter.sol
+interface IUniswapV3Router2 {
+    struct ExactInputParams {
+        bytes path;
+        address recipient;
+        uint256 amountIn;
+        uint256 amountOutMinimum;
+    }
+
+    function exactInput(ExactInputParams memory params) external payable returns (uint256 amountOut);
+}
+
 contract MixinUniswapV3 {
     using LibERC20TokenV06 for IERC20Token;
 
@@ -39,19 +51,30 @@ contract MixinUniswapV3 {
         uint256 sellAmount,
         bytes memory bridgeData
     ) internal returns (uint256 boughtAmount) {
-        (IUniswapV3Router router, bytes memory path) = abi.decode(bridgeData, (IUniswapV3Router, bytes));
+        (address router, bytes memory path, uint256 routerVersion) = abi.decode(bridgeData, (address, bytes, uint256));
 
         // Grant the Uniswap router an allowance to sell the sell token.
-        sellToken.approveIfBelow(address(router), sellAmount);
+        sellToken.approveIfBelow(router, sellAmount);
 
-        boughtAmount = router.exactInput(
-            IUniswapV3Router.ExactInputParams({
-                path: path,
-                recipient: address(this),
-                deadline: block.timestamp,
-                amountIn: sellAmount,
-                amountOutMinimum: 1
-            })
-        );
+        if (routerVersion != 2) {
+            boughtAmount = IUniswapV3Router(router).exactInput(
+                IUniswapV3Router.ExactInputParams({
+                    path: path,
+                    recipient: address(this),
+                    deadline: block.timestamp,
+                    amountIn: sellAmount,
+                    amountOutMinimum: 1
+                })
+            );
+        } else {
+            boughtAmount = IUniswapV3Router2(router).exactInput(
+                IUniswapV3Router2.ExactInputParams({
+                    path: path,
+                    recipient: address(this),
+                    amountIn: sellAmount,
+                    amountOutMinimum: 1
+                })
+            );
+        }
     }
 }
diff --git a/packages/contract-addresses/CHANGELOG.json b/packages/contract-addresses/CHANGELOG.json
index 0727fb0311..9fda71f890 100644
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -4,6 +4,9 @@
 		"changes": [
 			{
 				"note": "Add Base mainnet addresses"
+			},
+			{
+				"note": "Add UniswapV3 support in Avalanche and BSC FillQuoteTransformers"
 			}
 		]
 	},
diff --git a/packages/contract-addresses/addresses.json b/packages/contract-addresses/addresses.json
index 82160a8cb6..d423c251b8 100644
--- a/packages/contract-addresses/addresses.json
+++ b/packages/contract-addresses/addresses.json
@@ -64,7 +64,7 @@
             "wethTransformer": "0xac3d95668c092e895cd83a9cbafe9c7d9906471f",
             "payTakerTransformer": "0x7e788f3a3e39cdd1944ba111fafc5fb7e59b5e90",
             "affiliateFeeTransformer": "0x043300d113de0c64684ab89c56a45cd94c7ef54c",
-            "fillQuoteTransformer": "0x43d10801db01c28093265ef9b77d532e553fa578",
+            "fillQuoteTransformer": "0xa9c57c539690d4e1439411f648ead5b121b34a23",
             "positiveSlippageFeeTransformer": "0x6ff35e8cbaf56d8a8f6bf9963b902a4576243030"
         }
     },
@@ -156,7 +156,7 @@
             "wethTransformer": "0x9b8b52391071d71cd4ad1e61d7f273268fa34c6c",
             "payTakerTransformer": "0xb9a4c32547bc3cdc2ee2fb13cc1a0717dac9888f",
             "affiliateFeeTransformer": "0x105679f99d668001370b4621ad8648ac570c860f",
-            "fillQuoteTransformer": "0x886e4f97d7e06ab66dba574a7a861046dcf7ae4f",
+            "fillQuoteTransformer": "0x463fe1a80acb62ce1e4f0a4f7b83df674c2cce2c",
             "positiveSlippageFeeTransformer": "0xadbfdc58a24b6dbc16f21541800f43dd6e282250"
         }
     },