diff --git a/packages/photobooth_ui/test/src/widgets/app_circular_progress_indicator_test.dart b/packages/photobooth_ui/test/src/widgets/app_circular_progress_indicator_test.dart
index 64d085b2..de3894a2 100644
--- a/packages/photobooth_ui/test/src/widgets/app_circular_progress_indicator_test.dart
+++ b/packages/photobooth_ui/test/src/widgets/app_circular_progress_indicator_test.dart
@@ -18,8 +18,8 @@ void main() {
     });
 
     testWidgets('renders with provided colors', (tester) async {
-      final color = PhotoboothColors.black;
-      final backgroundColor = PhotoboothColors.blue;
+      const color = PhotoboothColors.black;
+      const backgroundColor = PhotoboothColors.blue;
       await tester.pumpWidget(
         AppCircularProgressIndicator(
           color: color,
diff --git a/pubspec.lock b/pubspec.lock
index 0bbd3645..0a7ed587 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -105,7 +105,7 @@ packages:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.1"
   cli_util:
     dependency: transitive
     description:
@@ -641,21 +641,21 @@ packages:
       name: test
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.17.5"
+    version: "1.17.8"
   test_api:
     dependency: transitive
     description:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.0"
+    version: "0.4.1"
   test_core:
     dependency: transitive
     description:
       name: test_core
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.3.25"
+    version: "0.3.28"
   typed_data:
     dependency: transitive
     description: