diff --git a/common/package.json b/common/package.json
index da86d975..1692191f 100644
--- a/common/package.json
+++ b/common/package.json
@@ -9,9 +9,10 @@
     "lint": "prettier --check ."
   },
   "dependencies": {
-    "@ashpect/smt": "https://github.com/ashpect/smt#main",
     "@babel/runtime": "^7.23.4",
-    "@zk-kit/imt": "https://gitpkg.now.sh/0xturboblitz/zk-kit/packages/imt?6d417675",
+    "@openpassport/zk-kit-imt": "^0.0.1",
+    "@openpassport/zk-kit-lean-imt": "^0.0.1",
+    "@openpassport/zk-kit-smt": "^0.0.1",
     "asn1.js": "^5.4.1",
     "asn1js": "^3.0.5",
     "axios": "^1.7.2",
diff --git a/common/src/utils/csca.ts b/common/src/utils/csca.ts
index d394b753..e885e937 100644
--- a/common/src/utils/csca.ts
+++ b/common/src/utils/csca.ts
@@ -3,7 +3,7 @@ import * as forge from "node-forge";
 import { bytesToBigDecimal, extractRSFromSignature, getNAndK, getNAndKCSCA, hexToDecimal, splitToWords } from "./utils";
 import { CSCA_TREE_DEPTH, MODAL_SERVER_ADDRESS } from "../constants/constants";
 import { poseidon2 } from "poseidon-lite";
-import { IMT } from "@zk-kit/imt";
+import { IMT } from "@openpassport/zk-kit-imt";
 import serialized_csca_tree from "../../pubkeys/serialized_csca_tree.json"
 import axios from "axios";
 import { parseCertificate } from "./certificates/handleCertificate";
diff --git a/common/src/utils/generateInputs.ts b/common/src/utils/generateInputs.ts
index 37c0487e..5a73d588 100644
--- a/common/src/utils/generateInputs.ts
+++ b/common/src/utils/generateInputs.ts
@@ -21,10 +21,11 @@ import {
   formatCountriesList,
 } from './utils';
 import { generateCommitment, getLeaf } from "./pubkeyTree";
-import { LeanIMT } from "@zk-kit/imt";
+// import { LeanIMT } from "@zk-kit/imt";
+import { LeanIMT } from "@openpassport/zk-kit-lean-imt";
 import { getCountryLeaf, getNameLeaf, getNameDobLeaf, getPassportNumberLeaf } from "./smtTree";
 import { packBytes } from "../utils/utils";
-import { SMT } from "@ashpect/smt"
+import { SMT } from "@openpassport/zk-kit-smt"
 import { parseCertificate } from './certificates/handleCertificate';
 
 export function generateCircuitInputsDisclose(
@@ -268,4 +269,4 @@ export function formatInput(input: any) {
   } else {
     return [BigInt(input).toString()];
   }
-}
+}
\ No newline at end of file
diff --git a/common/src/utils/pubkeyTree.ts b/common/src/utils/pubkeyTree.ts
index 84814068..bdd44bea 100644
--- a/common/src/utils/pubkeyTree.ts
+++ b/common/src/utils/pubkeyTree.ts
@@ -1,5 +1,5 @@
 import { PUBKEY_TREE_DEPTH, COMMITMENT_TREE_TRACKER_URL, SignatureAlgorithmIndex } from "../constants/constants";
-import { LeanIMT } from '@zk-kit/imt'
+import { LeanIMT } from "@openpassport/zk-kit-lean-imt";
 import axios from "axios";
 import { poseidon16, poseidon2, poseidon6, poseidon7 } from 'poseidon-lite';
 import { formatDg2Hash, getNAndK, getNAndKCSCA, hexToDecimal, splitToWords } from './utils';
@@ -65,13 +65,18 @@ export function getLeafCSCA(dsc: string): string {
     return customHasher([sigAlgIndex, ...pubkeyChunked]);
   }
 }
+
 export async function getTreeFromTracker(): Promise<LeanIMT> {
   const response = await axios.get(COMMITMENT_TREE_TRACKER_URL)
-  const imt = new LeanIMT(
+
+  const parsedResponse: string[][] = JSON.parse(response.data);
+  const commitmentTreeData: string = JSON.stringify(parsedResponse);
+
+  const imt = LeanIMT.import<bigint>(
     (a: bigint, b: bigint) => poseidon2([a, b]),
-    []
-  );
-  imt.import(response.data)
+      commitmentTreeData,
+      (value: string) => BigInt(value)
+    );
   return imt
 }
 
@@ -95,9 +100,13 @@ export async function fetchTreeFromUrl(url: string): Promise<LeanIMT> {
   if (!response.ok) {
     throw new Error(`HTTP error! status: ${response.status}`);
   }
+  
   const commitmentMerkleTree = await response.json();
   console.log("\x1b[90m%s\x1b[0m", "commitment merkle tree: ", commitmentMerkleTree);
-  const tree = new LeanIMT((a, b) => poseidon2([a, b]));
-  tree.import(commitmentMerkleTree);
+  const tree = LeanIMT.import<bigint>(
+    (a: bigint, b: bigint) => poseidon2([a, b]),
+    commitmentMerkleTree,
+    (value: string) => BigInt(value)
+  );
   return tree;
-}
+}
\ No newline at end of file
diff --git a/common/src/utils/smtTree.ts b/common/src/utils/smtTree.ts
index 4f3d9d21..ee300ebe 100644
--- a/common/src/utils/smtTree.ts
+++ b/common/src/utils/smtTree.ts
@@ -1,6 +1,6 @@
 import { poseidon9, poseidon3, poseidon2, poseidon6, poseidon13 } from "poseidon-lite"
 import { stringToAsciiBigIntArray } from "./utils";
-import { ChildNodes, SMT } from "@ashpect/smt"
+import { SMT, ChildNodes } from "@openpassport/zk-kit-smt";
 
 // SMT trees for 3 levels :
 // 1. Passport tree  : level 3 (Absolute Match)
@@ -197,4 +197,4 @@ export function getDobLeaf(dobMrz: (bigint | number)[], i?: number): bigint {
   } catch (err) {
     console.log('err : Dob', err, i, dobMrz)
   }
-}
+}
\ No newline at end of file
diff --git a/common/src/utils/utils.ts b/common/src/utils/utils.ts
index 4a2fc688..3a37e0dd 100644
--- a/common/src/utils/utils.ts
+++ b/common/src/utils/utils.ts
@@ -1,8 +1,8 @@
-import { LeanIMT } from '@zk-kit/imt';
+import { LeanIMT } from '@openpassport/zk-kit-lean-imt';
 import { sha256 } from 'js-sha256';
 import { sha1 } from 'js-sha1';
 import { sha384, sha512_256 } from 'js-sha512';
-import { SMT } from '@ashpect/smt';
+import { SMT } from '@openpassport/zk-kit-smt';
 import forge from 'node-forge';
 import { n_dsc, k_dsc, n_dsc_ecdsa, k_dsc_ecdsa, n_csca, k_csca, attributeToPosition } from '../constants/constants';
 import { unpackReveal } from './revealBitmap';
@@ -583,4 +583,4 @@ export function getOlderThanFromCircuitOutput(olderThan: string[]): number {
   const ageString = olderThan.map(code => String.fromCharCode(parseInt(code))).join('');
   const age = parseInt(ageString, 10);
   return isNaN(age) ? 0 : age;
-}
+}
\ No newline at end of file
diff --git a/common/yarn.lock b/common/yarn.lock
index 275694c2..f31d85a8 100644
--- a/common/yarn.lock
+++ b/common/yarn.lock
@@ -2,10 +2,6 @@
 # yarn lockfile v1
 
 
-"@ashpect/smt@https://github.com/ashpect/smt#main":
-  version "1.0.0"
-  resolved "https://github.com/ashpect/smt#4f73fd24adb06a7f8efd6fd2d3ed58e9e2f2691a"
-
 "@babel/runtime@^7.23.4":
   version "7.25.9"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.25.9.tgz#65884fd6dc255a775402cc1d9811082918f4bf00"
@@ -18,6 +14,25 @@
   resolved "https://registry.yarnpkg.com/@noble/hashes/-/hashes-1.5.0.tgz#abadc5ca20332db2b1b2aa3e496e9af1213570b0"
   integrity sha512-1j6kQFb7QRru7eKN3ZDvRcP13rugwdxZqCjbiAVZfIJwgj2A65UmT4TgARXGlXgnRkORLTDTrO19ZErt7+QXgA==
 
+"@openpassport/zk-kit-imt@^0.0.1":
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/@openpassport/zk-kit-imt/-/zk-kit-imt-0.0.1.tgz#4f68810fcd38f300054d8b8b4814f02a6534136b"
+  integrity sha512-wz4ApTvOYd2+XArOMsZgNKXfMVb/s1K3JRYJ6FcqU8duk6R3Sd90kfBgpf6wi+YZ92TrJtEO41jFWlkFX0YRGw==
+  dependencies:
+    "@zk-kit/utils" "1.2.1"
+
+"@openpassport/zk-kit-lean-imt@^0.0.1":
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/@openpassport/zk-kit-lean-imt/-/zk-kit-lean-imt-0.0.1.tgz#6fbd3e6207c621dfb947e9ea17e67326aaf3292a"
+  integrity sha512-6CeUEX951hbELDYfadFS5bRQyEbxAt/vPBoCeyRcPkwPmQj/2ys8D7XlGFulicdsNYHjW3V9oZ/CFLCr93shJA==
+  dependencies:
+    "@zk-kit/utils" "1.2.1"
+
+"@openpassport/zk-kit-smt@^0.0.1":
+  version "0.0.1"
+  resolved "https://registry.yarnpkg.com/@openpassport/zk-kit-smt/-/zk-kit-smt-0.0.1.tgz#d447ed24e7b57146d5dee8d7458ac3886346b4d2"
+  integrity sha512-P7Hkd5fD8JxGbqJ48lUq6gGKmZTaVzCB5I8FsOSUmljqf7VMeZmbyqo2ZmXt/lk6ltPXrmcrQ+QNhHXKZNcWhg==
+
 "@types/json5@^0.0.29":
   version "0.0.29"
   resolved "https://registry.yarnpkg.com/@types/json5/-/json5-0.0.29.tgz#ee28707ae94e11d2b827bcbe5270bcea7f3e71ee"
@@ -37,9 +52,12 @@
   dependencies:
     undici-types "~6.19.2"
 
-"@zk-kit/imt@https://gitpkg.now.sh/0xturboblitz/zk-kit/packages/imt?6d417675":
-  version "2.0.0-beta.1"
-  resolved "https://gitpkg.now.sh/0xturboblitz/zk-kit/packages/imt?6d417675#38244ea6eef75dc1ad7fff3ff2a22dd5f1a2593a"
+"@zk-kit/utils@1.2.1":
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/@zk-kit/utils/-/utils-1.2.1.tgz#6cb38120535c73ab68cd0f09684882af148f256d"
+  integrity sha512-H2nTsyWdicVOyvqC5AjgU7tsTgmR6PDrruFJNmlmdhKp7RxEia/E1B1swMZjaasYa2QMp4Zc6oB7cWchty7B2Q==
+  dependencies:
+    buffer "^6.0.3"
 
 ansi-colors@^4.1.3:
   version "4.1.3"