diff --git a/packages/cultnet-ts/src/contracts.ts b/packages/cultnet-ts/src/contracts.ts
index d90af381..4bfdafad 100644
--- a/packages/cultnet-ts/src/contracts.ts
+++ b/packages/cultnet-ts/src/contracts.ts
@@ -1,4 +1,4 @@
-import Ajv2020, { type ValidateFunction } from "ajv/dist/2020";
+import Ajv2020, { type ValidateFunction } from "ajv/dist/2020.js";
 
 import documentRecordSchema from "../contracts/cultnet/cultnet.document-record.schema.json";
 import helloSchema from "../contracts/cultnet/cultnet.hello.schema.json";
diff --git a/packages/cultnet-ts/src/json-schema-contract.ts b/packages/cultnet-ts/src/json-schema-contract.ts
index 4d8fb85d..399290ef 100644
--- a/packages/cultnet-ts/src/json-schema-contract.ts
+++ b/packages/cultnet-ts/src/json-schema-contract.ts
@@ -1,4 +1,4 @@
-import Ajv2020, { type ErrorObject, type ValidateFunction } from "ajv/dist/2020";
+import Ajv2020, { type ErrorObject, type ValidateFunction } from "ajv/dist/2020.js";
 import type { CultCacheSchema } from "@gamecult/cultcache-ts";
 
 export interface JsonSchemaContract<TValue> extends CultCacheSchema<TValue> {