diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 002c291..3a20fe6 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -23,4 +23,4 @@ jobs:
       - name: Check contract sizes
         run: yarn hardhat size-contracts
       - name: Test
-        run: yarn yarn test
+        run: yarn test
diff --git a/package/package.json b/package/package.json
index fd8572b..9c8a4f4 100644
--- a/package/package.json
+++ b/package/package.json
@@ -91,7 +91,7 @@
     "@typechain/ethers-v6": "^0.3.2"
   },
   "scripts": {
-    "build": "rm -rf ./lib && typechain --target=ethers-v6 --out-dir typechain ./artifacts/contracts/Config.sol/Config.json ./artifacts/contracts/EntitiesRegistry.sol/EntitiesRegistry.json ./artifacts/contracts/Market.sol/Market.json && tsc -p ./tsconfig.build.json",
+    "build": "rm -rf ./lib && typechain --target=ethers-v6 --out-dir typechain ./artifacts/contracts/Config.sol/Config.json ./artifacts/contracts/EntitiesRegistry.sol/EntitiesRegistry.json ./artifacts/contracts/Market.sol/Market.json ./artifacts/contracts/test/MockERC20Dec18Permit.sol/MockERC20Dec18Permit.json && tsc -p ./tsconfig.build.json",
     "lint": "eslint --ext .ts",
     "lint:fix": "eslint --ext .ts --fix && prettier --check !network --write ."
   }
diff --git a/package/src/index.ts b/package/src/index.ts
index 1608402..7057364 100644
--- a/package/src/index.ts
+++ b/package/src/index.ts
@@ -1,7 +1,12 @@
 import ConfigJson from '../artifacts/contracts/Config.sol/Config.json';
 import EntitiesRegistryJson from '../artifacts/contracts/EntitiesRegistry.sol/EntitiesRegistry.json';
 import MarketJson from '../artifacts/contracts/Market.sol/Market.json';
+import ERC20PermitJson from '../artifacts/contracts/test/MockERC20Dec18Permit.sol/MockERC20Dec18Permit.json';
 
 export * from '../typechain';
+export {
+  MockERC20Dec18Permit as ERC20Permit,
+  MockERC20Dec18Permit__factory as ERC20Permit__factory,
+} from '../typechain';
 export * from './constants';
-export { ConfigJson, EntitiesRegistryJson, MarketJson };
+export { ConfigJson, EntitiesRegistryJson, MarketJson, ERC20PermitJson };