diff --git a/cjs/dist/worker.js b/cjs/dist/worker.js
index b6715b3..c3fd6b9 100644
--- a/cjs/dist/worker.js
+++ b/cjs/dist/worker.js
@@ -9,8 +9,8 @@ onmessage = async (message) => {
         controller = undefined;
     }
     else if (type === 'work') {
-        const { alg, challenge, max, salt, start } = payload || {};
-        const result = (0, index_js_1.solveChallenge)(challenge, salt, alg, max, start);
+        const { algorithm, challenge, max, salt, start } = payload || {};
+        const result = (0, index_js_1.solveChallenge)(challenge, salt, algorithm, max, start);
         controller = result.controller;
         result.promise.then((solution) => {
             self.postMessage(solution ? { ...solution, worker: true } : solution);
diff --git a/deno_dist/worker.ts b/deno_dist/worker.ts
index 043be7e..d03e6dc 100644
--- a/deno_dist/worker.ts
+++ b/deno_dist/worker.ts
@@ -8,8 +8,8 @@ onmessage = async (message) => {
     controller?.abort();
     controller = undefined;
   } else if (type === 'work') {
-    const { alg, challenge, max, salt, start } = payload || {};
-    const result = solveChallenge(challenge, salt, alg, max, start);
+    const { algorithm, challenge, max, salt, start } = payload || {};
+    const result = solveChallenge(challenge, salt, algorithm, max, start);
     controller = result.controller;
     result.promise.then((solution) => {
       self.postMessage(solution ? { ...solution, worker: true } : solution);
diff --git a/dist/worker.js b/dist/worker.js
index 72124ae..da2d679 100644
--- a/dist/worker.js
+++ b/dist/worker.js
@@ -7,8 +7,8 @@ onmessage = async (message) => {
         controller = undefined;
     }
     else if (type === 'work') {
-        const { alg, challenge, max, salt, start } = payload || {};
-        const result = solveChallenge(challenge, salt, alg, max, start);
+        const { algorithm, challenge, max, salt, start } = payload || {};
+        const result = solveChallenge(challenge, salt, algorithm, max, start);
         controller = result.controller;
         result.promise.then((solution) => {
             self.postMessage(solution ? { ...solution, worker: true } : solution);
diff --git a/lib/worker.ts b/lib/worker.ts
index 0e01325..08b272f 100644
--- a/lib/worker.ts
+++ b/lib/worker.ts
@@ -8,8 +8,8 @@ onmessage = async (message) => {
     controller?.abort();
     controller = undefined;
   } else if (type === 'work') {
-    const { alg, challenge, max, salt, start } = payload || {};
-    const result = solveChallenge(challenge, salt, alg, max, start);
+    const { algorithm, challenge, max, salt, start } = payload || {};
+    const result = solveChallenge(challenge, salt, algorithm, max, start);
     controller = result.controller;
     result.promise.then((solution) => {
       self.postMessage(solution ? { ...solution, worker: true } : solution);
diff --git a/tests/challenge.test.ts b/tests/challenge.test.ts
index 54c3a67..9ca8cb1 100644
--- a/tests/challenge.test.ts
+++ b/tests/challenge.test.ts
@@ -11,7 +11,7 @@ import { Challenge } from '../lib/types.js';
 import { hash, hmacHex } from '../lib/helpers.js';
 
 if (!('crypto' in globalThis)) {
-  // eslint-disable-next-line @typescript-eslint/no-var-requires
+  // eslint-disable-next-line @typescript-eslint/no-var-requires, @typescript-eslint/no-require-imports
   globalThis.crypto = require('node:crypto').webcrypto;
 }
 
@@ -404,6 +404,22 @@ describe('challenge', () => {
       const result = await promise;
       expect(result?.number).toEqual(number);
     });
+
+    it('should solve challenge with non-default algorithm (SHA-512)', async () => {
+      const number = 100;
+      const challenge = await createChallenge({
+        algorithm: 'SHA-512',
+        number,
+        hmacKey,
+      });
+      const { promise } = solveChallenge(
+        challenge.challenge,
+        challenge.salt,
+        challenge.algorithm
+      );
+      const result = await promise;
+      expect(result?.number).toEqual(number);
+    });
   });
 
   describe.skipIf(!('Worker' in globalThis))('solveChallengeWorkers', () => {
@@ -425,5 +441,25 @@ describe('challenge', () => {
       );
       expect(result?.number).toEqual(number);
     });
+
+    it('should solve challenge using workers with non-default algorithm (SHA-512)', async () => {
+      const number = 100;
+      const challenge = await createChallenge({
+        algorithm: 'SHA-512',
+        number,
+        hmacKey,
+      });
+      const result = await solveChallengeWorkers(
+        () =>
+          new Worker('./lib/worker.ts', {
+            type: 'module',
+          }),
+        4,
+        challenge.challenge,
+        challenge.salt,
+        challenge.algorithm
+      );
+      expect(result?.number).toEqual(number);
+    });
   });
 });