diff --git a/packages/playwright-core/browsers.json b/packages/playwright-core/browsers.json
index b53bd64bcc..c363ef9349 100644
--- a/packages/playwright-core/browsers.json
+++ b/packages/playwright-core/browsers.json
@@ -33,7 +33,7 @@
     },
     {
       "name": "webkit",
-      "revision": "1770",
+      "revision": "1773",
       "installByDefault": true,
       "revisionOverrides": {
         "mac10.14": "1446",
diff --git a/tests/page/page-request-fulfill.spec.ts b/tests/page/page-request-fulfill.spec.ts
index 6359aa4fdd..e61988f93a 100644
--- a/tests/page/page-request-fulfill.spec.ts
+++ b/tests/page/page-request-fulfill.spec.ts
@@ -52,10 +52,10 @@ it('should work', async ({ page, server }) => {
 });
 
 it('should work with buffer as body', async ({ page, server, browserName, isLinux }) => {
-  it.fail(browserName === 'webkit' && isLinux, 'Loading of application/octet-stream resource fails');
   await page.route('**/*', route => {
     route.fulfill({
       status: 200,
+      contentType: 'text/plain',
       body: Buffer.from('Yo, page!')
     });
   });