diff --git a/.github/dependabot.yaml b/.github/dependabot.yaml
index 5b8763c..103eda3 100644
--- a/.github/dependabot.yaml
+++ b/.github/dependabot.yaml
@@ -7,8 +7,6 @@ updates:
     directory: /
     schedule:
       interval: monthly
-    labels:
-      - autosubmit
     groups:
       github-actions:
         patterns:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 84ad84f..860a6a4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 ## 1.2.2-wip
 
-- Require SDK `sdk: ^3.4.0`.
+- Require Dart 3.4.
 
 ## 1.2.1
 
diff --git a/lib/src/debugger.dart b/lib/src/debugger.dart
index 847c3e4..e3939aa 100644
--- a/lib/src/debugger.dart
+++ b/lib/src/debugger.dart
@@ -180,8 +180,6 @@ String _pauseStateToString(PauseState state) {
       return 'none';
     case PauseState.uncaught:
       return 'uncaught';
-    default:
-      throw ArgumentError('unknown state: $state');
   }
 }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 763096a..6f61c15 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -18,5 +18,6 @@ dev_dependencies:
   shelf_static: ^1.0.0
   shelf_web_socket: ^2.0.0
   test: ^1.16.6
-  web_socket_channel: ^3.0.0 # used in example/
+  # used in example/
+  web_socket_channel: ^3.0.0
   webdriver: ^3.0.0