diff --git a/support/testing/tests/boot/test_atf.py b/support/testing/tests/boot/test_atf.py
index c23b9d8aba..e6c11aa742 100644
--- a/support/testing/tests/boot/test_atf.py
+++ b/support/testing/tests/boot/test_atf.py
@@ -44,6 +44,7 @@ class TestATFAllwinner(infra.basetest.BRTest):
         BR2_TARGET_UBOOT_CUSTOM_VERSION_VALUE="2020.10"
         BR2_TARGET_UBOOT_BOARD_DEFCONFIG="bananapi_m64"
         BR2_TARGET_UBOOT_NEEDS_DTC=y
+        BR2_TARGET_UBOOT_NEEDS_PYTHON3=y
         BR2_TARGET_UBOOT_NEEDS_PYLIBFDT=y
         BR2_TARGET_UBOOT_NEEDS_ATF_BL31=y
         BR2_TARGET_UBOOT_FORMAT_CUSTOM=y