diff --git a/.gitignore b/.gitignore
index e9410b6f..d443b0d1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -43,3 +43,7 @@ CLAUDE.md
 /result
 /result-*
 .direnv/
+
+# Gradle build output inside the vendored pyrowave Granite Android platform (regenerated, never ours to commit)
+/crates/pyrowave-sys/vendor/pyrowave/Granite/application/platforms/android/**/.gradle/
+/crates/pyrowave-sys/vendor/pyrowave/Granite/application/platforms/android/**/build/