diff --git a/packages/worker/test/e2e/asyncThrow.spec.ts b/packages/worker/test/e2e/asyncThrow.spec.ts
index 482d80f8..f6efbf8d 100644
--- a/packages/worker/test/e2e/asyncThrow.spec.ts
+++ b/packages/worker/test/e2e/asyncThrow.spec.ts
@@ -10,7 +10,7 @@ import { asyncThrowProperty } from './__properties__/asyncThrow.mjs';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(
diff --git a/packages/worker/test/e2e/blockEventLoop.spec.ts b/packages/worker/test/e2e/blockEventLoop.spec.ts
index e9574599..89fc031a 100644
--- a/packages/worker/test/e2e/blockEventLoop.spec.ts
+++ b/packages/worker/test/e2e/blockEventLoop.spec.ts
@@ -11,7 +11,7 @@ import { expectThrowWithCause } from './__test-helpers__/ThrowWithCause.js';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(
@@ -19,7 +19,7 @@ if (isMainThread) {
       async () => {
         // Arrange
         const options: Parameters<unknown> = { ...defaultOptions, endOnFailure: true };
-        const expectedError = /Property timeout: exceeded limit of 1000 milliseconds/;
+        const expectedError = /Property timeout: exceeded limit of 5000 milliseconds/;
 
         // Act / Assert
         await expectThrowWithCause(assert(blockEventLoopProperty, options), expectedError);
diff --git a/packages/worker/test/e2e/concurrentAssert.spec.ts b/packages/worker/test/e2e/concurrentAssert.spec.ts
index f0d063d8..81b94f31 100644
--- a/packages/worker/test/e2e/concurrentAssert.spec.ts
+++ b/packages/worker/test/e2e/concurrentAssert.spec.ts
@@ -10,7 +10,7 @@ import { readerAssert, writerAssert } from './__properties__/concurrentAssert.mj
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(
diff --git a/packages/worker/test/e2e/failing.spec.ts b/packages/worker/test/e2e/failing.spec.ts
index 7658bb63..d1d9e7e0 100644
--- a/packages/worker/test/e2e/failing.spec.ts
+++ b/packages/worker/test/e2e/failing.spec.ts
@@ -11,7 +11,7 @@ import { expectThrowWithCause } from './__test-helpers__/ThrowWithCause.js';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(
diff --git a/packages/worker/test/e2e/noWorker.spec.ts b/packages/worker/test/e2e/noWorker.spec.ts
index 5c2516a2..a7ca5965 100644
--- a/packages/worker/test/e2e/noWorker.spec.ts
+++ b/packages/worker/test/e2e/noWorker.spec.ts
@@ -7,7 +7,7 @@ import { expectThrowWithCause } from './__test-helpers__/ThrowWithCause.js';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it.each`
diff --git a/packages/worker/test/e2e/nonSerializableButSameData.spec.ts b/packages/worker/test/e2e/nonSerializableButSameData.spec.ts
index ab4b6082..d942f03f 100644
--- a/packages/worker/test/e2e/nonSerializableButSameData.spec.ts
+++ b/packages/worker/test/e2e/nonSerializableButSameData.spec.ts
@@ -14,7 +14,7 @@ import {
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout, includeErrorInReport: true };
 
     it(
diff --git a/packages/worker/test/e2e/nonSerializableData.spec.ts b/packages/worker/test/e2e/nonSerializableData.spec.ts
index 5e689135..a55b85b4 100644
--- a/packages/worker/test/e2e/nonSerializableData.spec.ts
+++ b/packages/worker/test/e2e/nonSerializableData.spec.ts
@@ -13,7 +13,7 @@ import {
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout, includeErrorInReport: true };
 
     it(
diff --git a/packages/worker/test/e2e/passing.spec.ts b/packages/worker/test/e2e/passing.spec.ts
index 9f245df8..9c2a0a78 100644
--- a/packages/worker/test/e2e/passing.spec.ts
+++ b/packages/worker/test/e2e/passing.spec.ts
@@ -10,7 +10,7 @@ import { passingProperty } from './__properties__/passing.mjs';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(
diff --git a/packages/worker/test/e2e/predicateIsolation.spec.ts b/packages/worker/test/e2e/predicateIsolation.spec.ts
index cfdd3b6a..2a938b76 100644
--- a/packages/worker/test/e2e/predicateIsolation.spec.ts
+++ b/packages/worker/test/e2e/predicateIsolation.spec.ts
@@ -11,7 +11,7 @@ import { expectThrowWithCause } from './__test-helpers__/ThrowWithCause.js';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(
diff --git a/packages/worker/test/e2e/propertyIsolation.spec.ts b/packages/worker/test/e2e/propertyIsolation.spec.ts
index 8bcc9609..434f501a 100644
--- a/packages/worker/test/e2e/propertyIsolation.spec.ts
+++ b/packages/worker/test/e2e/propertyIsolation.spec.ts
@@ -11,7 +11,7 @@ import { expectThrowWithCause } from './__test-helpers__/ThrowWithCause.js';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(
diff --git a/packages/worker/test/e2e/supportPre.spec.ts b/packages/worker/test/e2e/supportPre.spec.ts
index b9079aa1..a0765086 100644
--- a/packages/worker/test/e2e/supportPre.spec.ts
+++ b/packages/worker/test/e2e/supportPre.spec.ts
@@ -10,7 +10,7 @@ import { supportPreProperty } from './__properties__/supportPre.mjs';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout, seed: -340565462 };
 
     it(
diff --git a/packages/worker/test/e2e/syncThrow.spec.ts b/packages/worker/test/e2e/syncThrow.spec.ts
index 15840628..ff9ce7ff 100644
--- a/packages/worker/test/e2e/syncThrow.spec.ts
+++ b/packages/worker/test/e2e/syncThrow.spec.ts
@@ -10,7 +10,7 @@ import { syncThrowProperty } from './__properties__/syncThrow.mjs';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(
diff --git a/packages/worker/test/e2e/unregistered.spec.ts b/packages/worker/test/e2e/unregistered.spec.ts
index 98a028fa..fbc1b7a7 100644
--- a/packages/worker/test/e2e/unregistered.spec.ts
+++ b/packages/worker/test/e2e/unregistered.spec.ts
@@ -11,7 +11,7 @@ import { expectThrowWithCause } from './__test-helpers__/ThrowWithCause.js';
 if (isMainThread) {
   describe('@fast-check/worker', () => {
     const testTimeout = 30000;
-    const assertTimeout = 1000;
+    const assertTimeout = 5000;
     const defaultOptions: Parameters<unknown> = { timeout: assertTimeout };
 
     it(