diff --git a/packages/ui-keyring/src/types.ts b/packages/ui-keyring/src/types.ts
index 5a8bea80..e565b518 100644
--- a/packages/ui-keyring/src/types.ts
+++ b/packages/ui-keyring/src/types.ts
@@ -37,6 +37,8 @@ export interface KeyringStruct {
   createAccount: (seed: Uint8Array, password?: string, meta?: KeyringPair$Meta) => KeyringPair;
   createAccountExternal: (publicKey: Uint8Array, meta?: KeyringPair$Meta) => KeyringPair;
   createAccountMnemonic: (seed: string, password?: string, meta?: KeyringPair$Meta) => KeyringPair;
+  decodeAddress: (key: string | Uint8Array) => Uint8Array;
+  encodeAddress: (key: string | Uint8Array) => string;
   encryptAccount: (pair: KeyringPair, password: string) => void;
   forgetAccount: (address: string) => void;
   forgetAddress: (address: string) => void;