diff --git a/pkgs/browser_launcher/CHANGELOG.md b/pkgs/browser_launcher/CHANGELOG.md
index bceea7063..698666e33 100644
--- a/pkgs/browser_launcher/CHANGELOG.md
+++ b/pkgs/browser_launcher/CHANGELOG.md
@@ -1,6 +1,7 @@
 ## 1.2.0-wip
 
-- Add `--test-type` flag when launching chrome to prevent some warnings.
+- Add `--test-type` and `--disable-session-crashed-bubble` flags when launching
+  chrome to prevent some warnings.
 
 ## 1.1.3
 
diff --git a/pkgs/browser_launcher/lib/src/chrome.dart b/pkgs/browser_launcher/lib/src/chrome.dart
index b31a80914..3f6a4ff4e 100644
--- a/pkgs/browser_launcher/lib/src/chrome.dart
+++ b/pkgs/browser_launcher/lib/src/chrome.dart
@@ -121,6 +121,9 @@ class Chrome {
       // Prevent warnings for using flags that are not recommended for general
       // browsing but are applicable for use in dev-focused workflows.
       '--test-type',
+      // Dev runs of the browser should be considered independent of one
+      // another, don't announce when the previous session crashed.
+      '--disable-session-crashed-bubble',
     ];
     if (headless) {
       args.add('--headless');