diff --git a/Runtime/ChromeDevtools/Browser.cs b/Runtime/ChromeDevtools/Browser.cs
index ec6755bab861105d67b2d857943b513ff2bb51cf..2c17105288b1fde175a2161cdc0cf20c3f09e410 100644
--- a/Runtime/ChromeDevtools/Browser.cs
+++ b/Runtime/ChromeDevtools/Browser.cs
@@ -74,7 +74,17 @@ namespace bessw.Unity.WebView.ChromeDevTools
                     $"--remote-allow-origins=http://localhost:{debugPort}",
                     "--hide-crash-restore-bubble",
                     "--disable-first-run-ui",
-                    "--no-first-run"
+                    "--no-first-run",
+                    "--disable-search-engine-choice-screen",
+                    "--disable-features=PrivacySandboxSettings4",
+                    "--no-default-browser-check",
+                    // additional flags (don't know if they are necessary)
+                    "--disable-extensions",
+                    "--ash-no-nudges",
+                    "--disable-external-intent-requests",
+                    "--disable-background-timer-throttling",
+                    "--disable-backgrounding-occluded-windows",
+                    "--enable-automation"
                 });
 
                 // set headlessBrowser to false to see the browser window