diff --git a/metadata/com.wireguard.android.yml b/metadata/com.wireguard.android.yml
index f48a1715ef..6cde872b7d 100644
--- a/metadata/com.wireguard.android.yml
+++ b/metadata/com.wireguard.android.yml
@@ -417,8 +417,7 @@ Builds:
     submodules: true
     gradle:
       - yes
-    prebuild: sed -i '/systemProp\.http\.proxy/d' ~/.gradle/gradle.properties
-    ndk: r16b
+    ndk: r21
 
 AutoUpdateMode: Version %v
 UpdateCheckMode: HTTP