diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index a0e2bf27..52da8143 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -52,7 +52,7 @@ jobs:
       - name: Install pnpm
         uses: pnpm/action-setup@v2
         with:
-          version: 9
+          version: 10
 
       - name: Install dependencies
         run: pnpm install
diff --git a/package.json b/package.json
index 2cfc8dc6..ded571e0 100644
--- a/package.json
+++ b/package.json
@@ -73,8 +73,7 @@
     "bn.js": "^5.2.1",
     "bs58check": "^4.0.0",
     "buffer": "^6.0.3",
-    "cbor": "^10.0.2",
-    "cbor-bigdecimal": "^10.0.2",
+    "cbor2": "1.12.0",
     "crc-32": "^1.2.2",
     "elliptic": "6.6.1",
     "hash.js": "^1.1.7",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 80cc68c8..379cdac8 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -44,12 +44,9 @@ importers:
       buffer:
         specifier: ^6.0.3
         version: 6.0.3
-      cbor:
-        specifier: ^10.0.2
-        version: 10.0.2
-      cbor-bigdecimal:
-        specifier: ^10.0.2
-        version: 10.0.2(bignumber.js@9.3.1)
+      cbor2:
+        specifier: 1.12.0
+        version: 1.12.0
       crc-32:
         specifier: ^1.2.2
         version: 1.2.2
@@ -1575,15 +1572,9 @@ packages:
     resolution: {integrity: sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==}
     engines: {node: '>=6'}
 
-  cbor-bigdecimal@10.0.2:
-    resolution: {integrity: sha512-O/rckJeYt+6rBmFsG8D6YIOdZs+sJmbgFh+Y1ld4PAIzwn6iFcLgdo1/pG9hYpEXAuSe3HBbULzIDusKjD655Q==}
-    engines: {node: '>=18'}
-    peerDependencies:
-      bignumber.js: ^9.1.0
-
-  cbor@10.0.2:
-    resolution: {integrity: sha512-wJjyC0Efg8yUKpq9/+5SIcUbmBtyw+ZbvE8nNwbfGEKUkrL01h5CQ7h9/OPWtSt5oikmx6E5MuB5rTFz8zmMww==}
-    engines: {node: '>=18'}
+  cbor2@1.12.0:
+    resolution: {integrity: sha512-3Cco8XQhi27DogSp9Ri6LYNZLi/TBY/JVnDe+mj06NkBjW/ZYOtekaEU4wZ4xcRMNrFkDv8KNtOAqHyDfz3lYg==}
+    engines: {node: '>=18.7'}
 
   chai@5.1.1:
     resolution: {integrity: sha512-pT1ZgP8rPNqUgieVaEY+ryQr6Q4HXNg8Ei9UnLUrjN4IA7dvQC5JB+/kxVcPNDHyBcc/26CXPkbNzq3qwrOEKA==}
@@ -2391,10 +2382,6 @@ packages:
     resolution: {integrity: sha512-LA4ZjwlnUblHVgq0oBF3Jl/6h/Nvs5fzBLwdEF4nuxnFdsfajde4WfxtJr3CaiH+F6ewcIB/q4jQ4UzPyid+CQ==}
     hasBin: true
 
-  nofilter@3.1.0:
-    resolution: {integrity: sha512-l2NNj07e9afPnhAhvgVrCD/oy2Ai1yfLpuo3EpiO1jFTsB4sFz6oIfAfSZyQzVpkZQ9xS8ZS5g1jCBgq4Hwo0g==}
-    engines: {node: '>=12.19'}
-
   object-assign@4.1.1:
     resolution: {integrity: sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==}
     engines: {node: '>=0.10.0'}
@@ -4468,13 +4455,7 @@ snapshots:
 
   callsites@3.1.0: {}
 
-  cbor-bigdecimal@10.0.2(bignumber.js@9.3.1):
-    dependencies:
-      bignumber.js: 9.3.1
-
-  cbor@10.0.2:
-    dependencies:
-      nofilter: 3.1.0
+  cbor2@1.12.0: {}
 
   chai@5.1.1:
     dependencies:
@@ -5420,8 +5401,6 @@ snapshots:
   node-gyp-build@4.8.4:
     optional: true
 
-  nofilter@3.1.0: {}
-
   object-assign@4.1.1: {}
 
   once@1.4.0:
diff --git a/src/ethereum.ts b/src/ethereum.ts
index 64483d63..503fee00 100644
--- a/src/ethereum.ts
+++ b/src/ethereum.ts
@@ -5,6 +5,21 @@ import { SignTypedDataVersion, TypedDataUtils } from '@metamask/eth-sig-util';
 import { Hash } from 'ox';
 import { RLP } from '@ethereumjs/rlp';
 import * as secp256k1 from 'secp256k1';
+import * as cbor from 'cbor2';
+import {
+  TransactionSerializable,
+  serializeTransaction,
+  type Hex,
+  hexToNumber,
+} from 'viem';
+import {
+  type SigningPath,
+  type FirmwareConstants,
+  TransactionRequest,
+  TRANSACTION_TYPE,
+} from './types';
+import { buildGenericSigningMsgRequest } from './genericSigning';
+import { TransactionSchema, type FlexibleTransaction } from './schemas';
 import {
   ASCII_REGEX,
   HANDLE_LARGER_CHAIN_ID,
@@ -21,26 +36,8 @@ import {
   splitFrames,
   convertRecoveryToV,
 } from './util';
-import * as cbor from 'cbor';
-import bdec from 'cbor-bigdecimal';
-import {
-  TransactionSerializable,
-  serializeTransaction,
-  type Hex,
-  hexToNumber,
-} from 'viem';
-import {
-  type SigningPath,
-  type FirmwareConstants,
-  TransactionRequest,
-  TRANSACTION_TYPE,
-} from './types';
-import { buildGenericSigningMsgRequest } from './genericSigning';
-import { TransactionSchema, type FlexibleTransaction } from './schemas';
-
-bdec(cbor);
 
-const buildEthereumMsgRequest = function (input) {
+const buildEthereumMsgRequest = (input) => {
   if (!input.payload || !input.protocol || !input.signerPath)
     throw new Error(
       'You must provide `payload`, `signerPath`, and `protocol` arguments in the messsage request',
@@ -67,7 +64,7 @@ const buildEthereumMsgRequest = function (input) {
   }
 };
 
-const validateEthereumMsgResponse = function (res, req) {
+const validateEthereumMsgResponse = (res, req) => {
   const { signer, sig } = res;
   const { input, msg, prehash = null } = req;
   if (input.protocol === 'signPersonal') {
@@ -181,7 +178,7 @@ function normalizeTypedDataForHashing(value: any): any {
   return value;
 }
 
-const buildEthereumTxRequest = function (data) {
+const buildEthereumTxRequest = (data) => {
   try {
     let { chainId = 1 } = data;
     const { signerPath, eip155 = null, fwConstants, type = null } = data;
@@ -497,7 +494,7 @@ function stripZeros(a) {
 
 // Given a 64-byte signature [r,s] we need to figure out the v value
 // and attah the full signature to the end of the transaction payload
-const buildEthRawTx = function (tx, sig, address) {
+const buildEthRawTx = (tx, sig, address) => {
   // RLP-encode the data we sent to the lattice
   const hash = Buffer.from(
     Hash.keccak256(get_rlp_encoded_preimage(tx.rawTx, tx.type)),
@@ -1024,7 +1021,7 @@ function parseEIP712Item(data, type, forJSParser = false) {
     }
   } else if (type.slice(0, 5) === 'bytes') {
     // Fixed sizes bytes need to be buffer type. We also add some sanity checks.
-    const nBytes = parseInt(type.slice(5));
+    const nBytes = Number.parseInt(type.slice(5));
     data = ensureHexBuffer(data);
     // Edge case to handle empty bytesN values
     if (data.length === 0) {