diff --git a/metadata/org.petero.droidfish.yml b/metadata/org.petero.droidfish.yml
index f3cab6a267..fd8a694d80 100644
--- a/metadata/org.petero.droidfish.yml
+++ b/metadata/org.petero.droidfish.yml
@@ -366,10 +366,12 @@ Builds:
     gradle:
       - yes
     output: DroidFishApp/build/outputs/apk/release/DroidFishApp-release-unsigned.apk
+    scanignore:
+      - DroidFishApp/src/main/assets/pieces/*.zip
     scandelete:
       - buildSrc
       - CuckooChessEngine/src/main/resources/book.bin
-    ndk: r19c
+    ndk: r21d
 
 MaintainerNotes: scandelete cleans up binary files created by `gradle clean`.