diff --git a/example/package-lock.json b/example/package-lock.json
index d386b27..943ad67 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -18,7 +18,8 @@
       }
     },
     "..": {
-      "version": "0.1.0",
+      "name": "@waku/rln",
+      "version": "0.1.1",
       "license": "MIT OR Apache-2.0",
       "dependencies": {
         "@waku/utils": "^0.0.5",
@@ -42,7 +43,7 @@
         "@typescript-eslint/eslint-plugin": "^5.8.1",
         "@typescript-eslint/parser": "^5.8.1",
         "@waku/core": "^0.0.17",
-        "@waku/interfaces": "^0.0.11",
+        "@waku/interfaces": "^0.0.12",
         "@waku/message-encryption": "^0.0.15",
         "@web/rollup-plugin-import-meta-assets": "^1.0.7",
         "app-root-path": "^3.0.0",
@@ -3958,7 +3959,7 @@
         "@typescript-eslint/eslint-plugin": "^5.8.1",
         "@typescript-eslint/parser": "^5.8.1",
         "@waku/core": "^0.0.17",
-        "@waku/interfaces": "^0.0.11",
+        "@waku/interfaces": "^0.0.12",
         "@waku/message-encryption": "^0.0.15",
         "@waku/utils": "^0.0.5",
         "@waku/zerokit-rln-wasm": "^0.0.10",
diff --git a/src/rln_contract.ts b/src/rln_contract.ts
index 56aefa8..8adb6b0 100644
--- a/src/rln_contract.ts
+++ b/src/rln_contract.ts
@@ -2,7 +2,7 @@ import { ethers } from "ethers";
 
 import { RLN_ABI } from "./constants.js";
 import { IdentityCredential, RLNInstance } from "./rln.js";
-import { MerkleRootTracker } from "./root_tracker";
+import { MerkleRootTracker } from "./root_tracker.js";
 
 type Member = {
   pubkey: string;
diff --git a/src/root_tracker.spec.ts b/src/root_tracker.spec.ts
index d34e768..b6271ac 100644
--- a/src/root_tracker.spec.ts
+++ b/src/root_tracker.spec.ts
@@ -1,6 +1,6 @@
 import { assert, expect } from "chai";
 
-import { MerkleRootTracker } from "./root_tracker";
+import { MerkleRootTracker } from "./root_tracker.js";
 
 describe("js-rln", () => {
   it("should track merkle roots and backfill from block number", async function () {