diff --git a/proprietary-files.txt b/proprietary-files.txt
index 407f0c1..85e589c 100644
--- a/proprietary-files.txt
+++ b/proprietary-files.txt
@@ -86,6 +86,10 @@ vendor/lib/hw/vendor.qti.hardware.bluetooth_audio@2.0-impl.so
 vendor/lib/libbluetooth_audio_session_qti.so
 vendor/lib/vendor.qti.hardware.bluetooth_audio@2.0.so
 
+# Bluetooth (aptX) - from Pixel 4A RP1A.200720.011
+system_ext/lib64/libaptXHD_encoder.so|e13fa70c97caaa24d061678bdee608eb8850a69e
+system_ext/lib64/libaptX_encoder.so|df1c89d7af1bb35808d5fe3496b04ba066c10cbc
+
 # Camera
 vendor/bin/remosaic_daemon
 vendor/lib64/hw/camera.qcom.so