diff --git a/metadata/ga.testapp.testapp.yml b/metadata/ga.testapp.testapp.yml
index 849bbf704c..899de21089 100644
--- a/metadata/ga.testapp.testapp.yml
+++ b/metadata/ga.testapp.testapp.yml
@@ -109,14 +109,18 @@ Builds:
     commit: 4.2.6
     output: build/app/outputs/apk/release/app-release.apk
     srclibs:
-      - flutter@1.17.3
+      - flutter@1.22.6
     prebuild: echo 'android.applicationVariants.all { variant -> variant.outputs.all
         { output -> outputFileName = "app-${output.baseName}.apk" } }' >> android/app/build.gradle
+    scanignore:
+      - assets/messages/network-error
     build:
       - $$flutter$$/bin/flutter config --no-analytics
       - $$flutter$$/bin/flutter packages pub get
       - $$flutter$$/bin/flutter build apk
 
+MaintainerNotes: assets/messages/network-error is a WebP image.
+
 AutoUpdateMode: Version %v
 UpdateCheckMode: HTTP
 UpdateCheckData: https://testapp.ga/pubspec|version:\s.+\+(\d+)|.|version:\s(.+)\+