diff --git a/package.json b/package.json
index 5c006e5..99e321b 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "type": "module",
   "name": "dlc-btc-lib",
-  "version": "1.0.19",
+  "version": "1.0.21",
   "description": "This library provides a comprehensive set of interfaces and functions for minting dlcBTC tokens on supported blockchains.",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
diff --git a/src/models/attestor.models.ts b/src/models/attestor.models.ts
index 23c7b53..8ba4653 100644
--- a/src/models/attestor.models.ts
+++ b/src/models/attestor.models.ts
@@ -1,4 +1,9 @@
-export type AttestorChainID = 'evm-arbitrum' | 'evm-arbsepolia' | 'evm-localhost';
+export type AttestorChainID =
+  | 'evm-arbitrum'
+  | 'evm-arbsepolia'
+  | 'evm-localhost'
+  | 'evm-hardhat-arb'
+  | 'evm-hardhat-eth';
 
 export interface FundingTXAttestorInfo {
   vaultUUID: string;