diff --git a/packages/filecoin-actor-utils/jest.config.js b/packages/filecoin-actor-utils/jest.config.js
index 383eb0d8..8faf6e4a 100644
--- a/packages/filecoin-actor-utils/jest.config.js
+++ b/packages/filecoin-actor-utils/jest.config.js
@@ -3,5 +3,8 @@ module.exports = {
   testRegex: '.(spec|test).ts$',
   testEnvironment: 'node',
   collectCoverageFrom: ['**/*.{ts,js}', '!**/node_modules/**'],
-  testPathIgnorePatterns: ['/node_modules/']
+  testPathIgnorePatterns: ['/node_modules/'],
+  moduleNameMapper: {
+    '@ipld/dag-cbor': '<rootDir>/node_modules/@ipld/dag-cbor/dist/index.min.js',
+  },
 }