diff --git a/.azure-pipelines.yml b/.azure-pipelines.yml
index ce291d60b9..5594a67d6b 100644
--- a/.azure-pipelines.yml
+++ b/.azure-pipelines.yml
@@ -430,7 +430,7 @@ stages:
           export PATH=/opt/qemu/bin:/tmp/uboot-test-hooks/bin:${PATH};
           export PYTHONPATH=/tmp/uboot-test-hooks/py/travis-ci;
           # "${var:+"-k $var"}" expands to "" if $var is empty, "-k $var" if not
-          ./test/py/test.py -ra --bd ${TEST_PY_BD} ${TEST_PY_ID} ${TEST_PY_TEST_SPEC:+"-k ${TEST_PY_TEST_SPEC}"} --build-dir "$UBOOT_TRAVIS_BUILD_DIR" --report-dir "$UBOOT_TRAVIS_BUILD_DIR";
+          ./test/py/test.py -ra -o cache_dir="$UBOOT_TRAVIS_BUILD_DIR"/.pytest_cache --bd ${TEST_PY_BD} ${TEST_PY_ID} ${TEST_PY_TEST_SPEC:+"-k ${TEST_PY_TEST_SPEC}"} --build-dir "$UBOOT_TRAVIS_BUILD_DIR" --report-dir "$UBOOT_TRAVIS_BUILD_DIR";
           # the below corresponds to .gitlab-ci.yml "after_script"
           rm -rf /tmp/uboot-test-hooks /tmp/venv
           EOF