diff --git a/metadata/info.guardianproject.locationprivacy.yml b/metadata/info.guardianproject.locationprivacy.yml
index faf9391d8d..6dcfb2e60a 100644
--- a/metadata/info.guardianproject.locationprivacy.yml
+++ b/metadata/info.guardianproject.locationprivacy.yml
@@ -47,6 +47,7 @@ Builds:
     versionCode: 31
     commit: 0.3.1
     subdir: app
+    sudo: apt-get -qy install --install-recommends -t stretch-backports diffoscope
     gradle:
       - yes
     prebuild: echo 'android.lintOptions.checkReleaseBuilds false' >> build.gradle