diff --git a/packages/page-claims/package.json b/packages/page-claims/package.json
index dcbbd36..bd74a21 100644
--- a/packages/page-claims/package.json
+++ b/packages/page-claims/package.json
@@ -16,8 +16,7 @@
   "type": "module",
   "version": "1.0.2-1-x",
   "dependencies": {
-    "@pezkuwi/react-components": "^1.0.2-1-x",
-    "secp256k1": "^3.8.0"
+    "@pezkuwi/react-components": "^1.0.2-1-x"
   },
   "peerDependencies": {
     "react": "*",
diff --git a/packages/page-claims/src/secp256k1.d.ts b/packages/page-claims/src/secp256k1.d.ts
deleted file mode 100644
index a707779..0000000
--- a/packages/page-claims/src/secp256k1.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-// Copyright 2017-2026 @pezkuwi/app-claims authors & contributors
-// SPDX-License-Identifier: Apache-2.0
-
-declare module 'secp256k1/elliptic.js' {
-  export function publicKeyConvert (publicKey: Buffer, expanded: boolean): Buffer;
-  export function recover (msgHash: Buffer, signature: Buffer, recovery: number): Buffer;
-}
diff --git a/packages/page-claims/src/util.spec.ts b/packages/page-claims/src/util.spec.ts
index 4b4b077..07f175a 100644
--- a/packages/page-claims/src/util.spec.ts
+++ b/packages/page-claims/src/util.spec.ts
@@ -20,7 +20,7 @@ describe('util', (): void => {
 
   it('converts to valid signature via recoverFromJSON', (): void => {
     expect(
-      JSON.stringify(recoverFromJSON('{"address":"0x002309df96687e44280bb72c3818358faeeb699c","msg":"Pay KSMs to the Dicle account:88dc3417d5058ec4b4503e0c12ea1a0a89be200fe98922423d4334014fa6b0ee","sig":"0x55bd020bdbbdc02de34e915effc9b18a99002f4c29f64e22e8dcbb69e722ea6c28e1bb53b9484063fbbfd205e49dcc1f620929f520c9c4c3695150f05a28f52a01","version":"2"}'))
+      JSON.stringify(recoverFromJSON('{"address":"0x002309df96687e44280bb72c3818358faeeb699c","msg":"Pay KSMs to the Kusama account:88dc3417d5058ec4b4503e0c12ea1a0a89be200fe98922423d4334014fa6b0ee","sig":"0x55bd020bdbbdc02de34e915effc9b18a99002f4c29f64e22e8dcbb69e722ea6c28e1bb53b9484063fbbfd205e49dcc1f620929f520c9c4c3695150f05a28f52a01","version":"2"}'))
     ).toEqual('{"error":null,"ethereumAddress":"0x002309DF96687e44280BB72c3818358FAEeB699c","signature":"0x55bd020bdbbdc02de34e915effc9b18a99002f4c29f64e22e8dcbb69e722ea6c28e1bb53b9484063fbbfd205e49dcc1f620929f520c9c4c3695150f05a28f52a01"}');
   });
 });
diff --git a/packages/page-claims/src/util.ts b/packages/page-claims/src/util.ts
index 2381e0b..c541c2d 100644
--- a/packages/page-claims/src/util.ts
+++ b/packages/page-claims/src/util.ts
@@ -3,11 +3,9 @@
 
 import type { EcdsaSignature, EthereumAddress, StatementKind } from '@pezkuwi/types/interfaces';
 
-import secp256k1 from 'secp256k1/elliptic.js';
-
 import { statics } from '@pezkuwi/react-api/statics';
 import { assert, hexToU8a, stringToU8a, u8aConcat, u8aToBuffer } from '@pezkuwi/util';
-import { keccakAsHex, keccakAsU8a } from '@pezkuwi/util-crypto';
+import { keccakAsHex, keccakAsU8a, secp256k1Recover } from '@pezkuwi/util-crypto';
 
 interface RecoveredSignature {
   error: Error | null;
@@ -74,11 +72,9 @@ export function sigToParts (_signature: string): SignatureParts {
 
 // recover an address from a given message and a recover/signature combination
 export function recoverAddress (message: string, { recovery, signature }: SignatureParts): string {
-  const msgHash = hashMessage(message);
-  const senderPubKey = secp256k1.recover(msgHash, signature, recovery);
-
+  // 'keccak' returns the expanded key without its 0x04 prefix
   return publicToAddr(
-    secp256k1.publicKeyConvert(senderPubKey, false).subarray(1)
+    secp256k1Recover(hashMessage(message), signature, recovery, 'keccak')
   );
 }