diff --git a/package.json b/package.json
index 1c3ae0c2..5e5d2d5d 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@uniswap/sdk-core",
   "license": "MIT",
-  "version": "4.1.1",
+  "version": "4.1.3",
   "description": "⚒️ An SDK for building applications on top of Uniswap V3",
   "main": "dist/index.js",
   "typings": "dist/index.d.ts",
diff --git a/src/addresses.test.ts b/src/addresses.test.ts
new file mode 100644
index 00000000..d0fc0199
--- /dev/null
+++ b/src/addresses.test.ts
@@ -0,0 +1,41 @@
+import { SWAP_ROUTER_02_ADDRESSES } from './addresses'
+import { ChainId } from './chains'
+
+describe('addresses', () => {
+  describe('swap router 02 addresses', () => {
+    it('should return the correct address for base', () => {
+      const address = SWAP_ROUTER_02_ADDRESSES(ChainId.BASE)
+      expect(address).toEqual('0x2626664c2603336E57B271c5C0b26F421741e481')
+    })
+
+    it('should return the correct address for base goerli', () => {
+      const address = SWAP_ROUTER_02_ADDRESSES(ChainId.BASE_GOERLI)
+      expect(address).toEqual('0x8357227D4eDc78991Db6FDB9bD6ADE250536dE1d')
+    })
+
+    it('should return the correct address for avalanche', () => {
+      const address = SWAP_ROUTER_02_ADDRESSES(ChainId.AVALANCHE)
+      expect(address).toEqual('0xbb00FF08d01D300023C629E8fFfFcb65A5a578cE')
+    })
+
+    it('should return the correct address for BNB', () => {
+      const address = SWAP_ROUTER_02_ADDRESSES(ChainId.BNB)
+      expect(address).toEqual('0xB971eF87ede563556b2ED4b1C0b0019111Dd85d2')
+    })
+
+    it('should return the correct address for arbitrum goerli', () => {
+      const address = SWAP_ROUTER_02_ADDRESSES(ChainId.ARBITRUM_GOERLI)
+      expect(address).toEqual('0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45')
+    })
+
+    it('should return the correct address for optimism sepolia', () => {
+      const address = SWAP_ROUTER_02_ADDRESSES(ChainId.OPTIMISM_SEPOLIA)
+      expect(address).toEqual('0x94cC0AaC535CCDB3C01d6787D6413C739ae12bc4')
+    })
+
+    it('should return the correct address for sepolia', () => {
+      const address = SWAP_ROUTER_02_ADDRESSES(ChainId.SEPOLIA)
+      expect(address).toEqual('0x3bFA4769FB09eefC5a80d6E87c3B9C650f7Ae48E')
+    })
+  })
+})
diff --git a/src/addresses.ts b/src/addresses.ts
index 2c160a23..7c57b798 100644
--- a/src/addresses.ts
+++ b/src/addresses.ts
@@ -127,7 +127,8 @@ const OPTIMISM_SEPOLIA_ADDRESSES: ChainAddresses = {
   quoterAddress: '0x0FBEa6cf957d95ee9313490050F6A0DA68039404',
   v3MigratorAddress: '0xE7EcbAAaA54D007A00dbb6c1d2f150066D69dA07',
   nonfungiblePositionManagerAddress: '0xdA75cEf1C93078e8b736FCA5D5a30adb97C8957d',
-  tickLensAddress: '0xCb7f54747F58F8944973cea5b8f4ac2209BadDC5'
+  tickLensAddress: '0xCb7f54747F58F8944973cea5b8f4ac2209BadDC5',
+  swapRouter02Address: '0x94cC0AaC535CCDB3C01d6787D6413C739ae12bc4'
 }
 
 // arbitrum goerli v3 addresses
@@ -147,7 +148,8 @@ const ARBITRUM_SEPOLIA_ADDRESSES: ChainAddresses = {
   quoterAddress: '0x2779a0CC1c3e0E44D2542EC3e79e3864Ae93Ef0B',
   v3MigratorAddress: '0x398f43ef2c67B941147157DA1c5a868E906E043D',
   nonfungiblePositionManagerAddress: '0x6b2937Bde17889EDCf8fbD8dE31C3C2a70Bc4d65',
-  tickLensAddress: '0x0fd18587734e5C2dcE2dccDcC7DD1EC89ba557d9'
+  tickLensAddress: '0x0fd18587734e5C2dcE2dccDcC7DD1EC89ba557d9',
+  swapRouter02Address: '0x101F443B4d1b059569D643917553c771E1b9663E'
 }
 
 // sepolia v3 addresses
@@ -157,7 +159,8 @@ const SEPOLIA_ADDRESSES: ChainAddresses = {
   quoterAddress: '0xEd1f6473345F45b75F8179591dd5bA1888cf2FB3',
   v3MigratorAddress: '0x729004182cF005CEC8Bd85df140094b6aCbe8b15',
   nonfungiblePositionManagerAddress: '0x1238536071E1c677A632429e3655c799b22cDA52',
-  tickLensAddress: '0xd7f33bcdb21b359c8ee6f0251d30e94832baad07'
+  tickLensAddress: '0xd7f33bcdb21b359c8ee6f0251d30e94832baad07',
+  swapRouter02Address: '0x3bFA4769FB09eefC5a80d6E87c3B9C650f7Ae48E'
 }
 
 // Avalanche v3 addresses
@@ -310,8 +313,9 @@ export const MIXED_ROUTE_QUOTER_V1_ADDRESSES: AddressMap = SUPPORTED_CHAINS.redu
 }, {})
 
 export const SWAP_ROUTER_02_ADDRESSES = (chainId: number) => {
-  if (chainId == ChainId.BNB) {
-    return CHAIN_TO_ADDRESSES_MAP[chainId].swapRouter02Address
+  if (SUPPORTED_CHAINS.includes(chainId)) {
+    const id = chainId as SupportedChainsType
+    return CHAIN_TO_ADDRESSES_MAP[id].swapRouter02Address ?? '0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45'
   }
-  return '0x68b3465833fb72A70ecDF485E0e4C7bD8665Fc45'
+  return ''
 }