diff --git a/packages/synthetic-chain/package.json b/packages/synthetic-chain/package.json
index fd878f2a..9268c05c 100644
--- a/packages/synthetic-chain/package.json
+++ b/packages/synthetic-chain/package.json
@@ -6,6 +6,7 @@
   "main": "./dist/lib/index.js",
   "type": "module",
   "module": "./dist/lib/index.js",
+  "exports": "./dist/lib/index.js",
   "types": "./dist/lib/index.d.ts",
   "files": [
     "dist"
diff --git a/packages/synthetic-chain/public/upgrade-test-scripts/eval_submission.ts b/packages/synthetic-chain/public/upgrade-test-scripts/eval_submission.ts
index b75adcc1..c4b93e55 100644
--- a/packages/synthetic-chain/public/upgrade-test-scripts/eval_submission.ts
+++ b/packages/synthetic-chain/public/upgrade-test-scripts/eval_submission.ts
@@ -1,5 +1,5 @@
 #!/usr/bin/env tsx
 
-import { evalBundles } from '@agoric/synthetic-chain/src/lib/core-eval.js';
+import { evalBundles } from '@agoric/synthetic-chain';
 
 await evalBundles('submission');