diff --git a/cjs/dist/index.d.ts b/cjs/dist/index.d.ts
index e95ce80..996fda5 100644
--- a/cjs/dist/index.d.ts
+++ b/cjs/dist/index.d.ts
@@ -5,4 +5,4 @@ export declare function solveChallenge(challenge: string, salt: string, algorith
     promise: Promise<Solution | null>;
     controller: AbortController;
 };
-export declare function solveChallengeWorkers(workerScript: string | URL, concurrency: number, challenge: string, salt: string, algorithm?: string, max?: number, startNumber?: number): Promise<Solution | null>;
+export declare function solveChallengeWorkers(workerScript: string | URL | (() => Worker), concurrency: number, challenge: string, salt: string, algorithm?: string, max?: number, startNumber?: number): Promise<Solution | null>;
diff --git a/cjs/dist/index.js b/cjs/dist/index.js
index a61eeb2..80acd5e 100644
--- a/cjs/dist/index.js
+++ b/cjs/dist/index.js
@@ -76,9 +76,14 @@ async function solveChallengeWorkers(workerScript, concurrency, challenge, salt,
         throw new Error('Too many workers. Max. 16 allowed workers.');
     }
     for (let i = 0; i < concurrency; i++) {
-        workers.push(new Worker(workerScript, {
-            type: 'module',
-        }));
+        if (typeof workerScript === 'function') {
+            workers.push(workerScript());
+        }
+        else {
+            workers.push(new Worker(workerScript, {
+                type: 'module',
+            }));
+        }
     }
     const step = Math.ceil(max / concurrency);
     const solutions = await Promise.all(workers.map((worker, i) => {
diff --git a/deno_dist/index.ts b/deno_dist/index.ts
index f6d0ab9..0e4d835 100644
--- a/deno_dist/index.ts
+++ b/deno_dist/index.ts
@@ -92,7 +92,7 @@ export function solveChallenge(
 }
 
 export async function solveChallengeWorkers(
-  workerScript: string | URL,
+  workerScript: string | URL | (() => Worker),
   concurrency: number,
   challenge: string,
   salt: string,
@@ -108,11 +108,15 @@ export async function solveChallengeWorkers(
     throw new Error('Too many workers. Max. 16 allowed workers.');
   }
   for (let i = 0; i < concurrency; i++) {
-    workers.push(
-      new Worker(workerScript, {
-        type: 'module',
-      })
-    );
+    if (typeof workerScript === 'function') {
+      workers.push(workerScript());
+    } else {
+      workers.push(
+        new Worker(workerScript, {
+          type: 'module',
+        })
+      );
+    }
   }
   const step = Math.ceil(max / concurrency);
   const solutions = await Promise.all(
diff --git a/dist/index.d.ts b/dist/index.d.ts
index e95ce80..996fda5 100644
--- a/dist/index.d.ts
+++ b/dist/index.d.ts
@@ -5,4 +5,4 @@ export declare function solveChallenge(challenge: string, salt: string, algorith
     promise: Promise<Solution | null>;
     controller: AbortController;
 };
-export declare function solveChallengeWorkers(workerScript: string | URL, concurrency: number, challenge: string, salt: string, algorithm?: string, max?: number, startNumber?: number): Promise<Solution | null>;
+export declare function solveChallengeWorkers(workerScript: string | URL | (() => Worker), concurrency: number, challenge: string, salt: string, algorithm?: string, max?: number, startNumber?: number): Promise<Solution | null>;
diff --git a/dist/index.js b/dist/index.js
index 2680d60..5433eb2 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -70,9 +70,14 @@ export async function solveChallengeWorkers(workerScript, concurrency, challenge
         throw new Error('Too many workers. Max. 16 allowed workers.');
     }
     for (let i = 0; i < concurrency; i++) {
-        workers.push(new Worker(workerScript, {
-            type: 'module',
-        }));
+        if (typeof workerScript === 'function') {
+            workers.push(workerScript());
+        }
+        else {
+            workers.push(new Worker(workerScript, {
+                type: 'module',
+            }));
+        }
     }
     const step = Math.ceil(max / concurrency);
     const solutions = await Promise.all(workers.map((worker, i) => {
diff --git a/lib/index.ts b/lib/index.ts
index a70ead6..de9d70e 100644
--- a/lib/index.ts
+++ b/lib/index.ts
@@ -92,7 +92,7 @@ export function solveChallenge(
 }
 
 export async function solveChallengeWorkers(
-  workerScript: string | URL,
+  workerScript: string | URL | (() => Worker),
   concurrency: number,
   challenge: string,
   salt: string,
@@ -108,11 +108,15 @@ export async function solveChallengeWorkers(
     throw new Error('Too many workers. Max. 16 allowed workers.');
   }
   for (let i = 0; i < concurrency; i++) {
-    workers.push(
-      new Worker(workerScript, {
-        type: 'module',
-      })
-    );
+    if (typeof workerScript === 'function') {
+      workers.push(workerScript());
+    } else {
+      workers.push(
+        new Worker(workerScript, {
+          type: 'module',
+        })
+      );
+    }
   }
   const step = Math.ceil(max / concurrency);
   const solutions = await Promise.all(
diff --git a/package.json b/package.json
index 4edebe1..0f554c0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "altcha-lib",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "description": "A library for creating and verifying ALTCHA challenges for Node.js, Bun and Deno.",
   "author": "Daniel Regeci",
   "license": "MIT",
diff --git a/tests/challenge.test.ts b/tests/challenge.test.ts
index c72a4bf..c149ccb 100644
--- a/tests/challenge.test.ts
+++ b/tests/challenge.test.ts
@@ -202,7 +202,9 @@ describe('challenge', () => {
         hmacKey,
       });
       const result = await solveChallengeWorkers(
-        './lib/worker.ts',
+        () => new Worker('./lib/worker.ts', {
+          type: 'module',
+        }),
         4,
         challenge.challenge,
         challenge.salt,