diff --git a/testing/java-libsignal-client/APKBUILD b/testing/java-libsignal-client/APKBUILD
index 134c39380e3f7aa25ceb461ba4954181038d5aa7..a22e43d290935f9553ae1f3ce9c393a8e0f1acbe 100644
--- a/testing/java-libsignal-client/APKBUILD
+++ b/testing/java-libsignal-client/APKBUILD
@@ -5,13 +5,10 @@ pkgver=0.32.1
 pkgrel=0
 pkgdesc="libsignal-client contains platform-agnostic APIs useful for Signal client apps"
 url="https://github.com/signalapp/libsignal"
-# * disabled on aarch64 due to:
-#    error[E0554]: #![feature] may not be used on the stable release channel
-#    --> /home/buildozer/.cargo/registry/src/github.com-1ecc6299db9ec823/polyval-0.5.3/src/lib.rs:80:5
-# * rust and cargo not available on s390x and riscv64
 # jdk17 only available on 64 bit archs
-# ppc64le hangs in build
-arch="x86_64"
+# ppc64le jdk17 not available
+# s390x: #error "Unknown target CPU"
+arch="aarch64 x86_64"
 license="AGPL-3.0-or-later"
 depends="java-jre-headless"
 makedepends="bash cargo clang-dev cmake openjdk11-jdk protoc rust zip"