diff --git a/packages/mozjpeg/__tests__/index.test.ts b/packages/mozjpeg/__tests__/index.test.ts
index 65d18c0..d70a955 100644
--- a/packages/mozjpeg/__tests__/index.test.ts
+++ b/packages/mozjpeg/__tests__/index.test.ts
@@ -19,6 +19,8 @@ describe('mozjpeg', () => {
   // test all image sizes
   ['tiny', 'small', 'medium', 'large'].forEach((size) => {
     it(`encodes a ${size} image`, async () => {
+      jest.setTimeout(60000);
+
       const {
         data,
         info: { width, height, channels },
diff --git a/packages/mozjpeg/__tests__/performance.test.ts b/packages/mozjpeg/__tests__/performance.test.ts
index 3f9cd45..2068981 100644
--- a/packages/mozjpeg/__tests__/performance.test.ts
+++ b/packages/mozjpeg/__tests__/performance.test.ts
@@ -7,7 +7,7 @@ describe('mozjpeg performance', () => {
   });
 
   it('encodes many images', async () => {
-    jest.setTimeout(60000);
+    jest.setTimeout(600000);
     process.setMaxListeners(0);
 
     const {
diff --git a/packages/oxipng/__tests__/index.test.ts b/packages/oxipng/__tests__/index.test.ts
index 4b077f9..2650038 100644
--- a/packages/oxipng/__tests__/index.test.ts
+++ b/packages/oxipng/__tests__/index.test.ts
@@ -18,7 +18,7 @@ describe('oxipng', () => {
   // test all image sizes
   ['tiny', 'small', 'medium', 'large'].forEach((size) => {
     it(`encodes a ${size} image`, async () => {
-      jest.setTimeout(20000);
+      jest.setTimeout(60000);
 
       const {
         data,
diff --git a/packages/oxipng/__tests__/performance.test.ts b/packages/oxipng/__tests__/performance.test.ts
index 3b897f6..644e7d4 100644
--- a/packages/oxipng/__tests__/performance.test.ts
+++ b/packages/oxipng/__tests__/performance.test.ts
@@ -7,7 +7,7 @@ describe('oxipng performance', () => {
   });
 
   it('encodes many images', async () => {
-    jest.setTimeout(60000);
+    jest.setTimeout(600000);
     process.setMaxListeners(0);
 
     const { data } = await getImage('images/small.png');