diff --git a/packages/assets-controllers/CHANGELOG.md b/packages/assets-controllers/CHANGELOG.md
index 68b263ae81b..54ff7a4c226 100644
--- a/packages/assets-controllers/CHANGELOG.md
+++ b/packages/assets-controllers/CHANGELOG.md
@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Added
+
+- Add `SEI` in `SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID` ([#6909](https://github.com/MetaMask/core/pull/6909))
+
 ## [82.0.0]
 
 ### Added
diff --git a/packages/assets-controllers/src/AssetsContractController.ts b/packages/assets-controllers/src/AssetsContractController.ts
index 3c4ac535760..0cb2a3452ce 100644
--- a/packages/assets-controllers/src/AssetsContractController.ts
+++ b/packages/assets-controllers/src/AssetsContractController.ts
@@ -76,6 +76,8 @@ export const SINGLE_CALL_BALANCES_ADDRESS_BY_CHAINID = {
     '0x6aa75276052d96696134252587894ef5ffa520af',
   [SupportedTokenDetectionNetworks.monad_mainnet]:
     '0xC856736BFe4DcB217F6678Ff2C4D7A7939B29A88',
+  [SupportedTokenDetectionNetworks.sei]:
+    '0xf8b06Cf47E6BFcA5b468D5BAF88217BF25fdD134',
 } as const satisfies Record<Hex, string>;
 
 export const STAKING_CONTRACT_ADDRESS_BY_CHAINID = {