diff --git a/metadata/eu.depau.etchdroid.yml b/metadata/eu.depau.etchdroid.yml
index c209818b88..074ee1d393 100644
--- a/metadata/eu.depau.etchdroid.yml
+++ b/metadata/eu.depau.etchdroid.yml
@@ -103,7 +103,9 @@ Builds:
     submodules: true
     gradle:
       - yes
-    ndk: r17c
+    prebuild: sed -i -e 's/21.0.6113669/21.3.6528147/' ../ci-scripts/setup_sdk.sh
+        ../dmg2img/build.gradle
+    ndk: r21d
 
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