diff --git a/.testr.conf b/.testr.conf
index 510f4c9..05b12c4 100644
--- a/.testr.conf
+++ b/.testr.conf
@@ -1,7 +1,7 @@
 [DEFAULT]
 test_command=OS_STDOUT_CAPTURE=${OS_STDOUT_CAPTURE:-1} \
              OS_STDERR_CAPTURE=${OS_STDERR_CAPTURE:-1} \
-             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-250} \
+             OS_TEST_TIMEOUT=${OS_TEST_TIMEOUT:-500} \
              ${PYTHON:-python} -m subunit.run discover -t ./ ./tempest $LISTOPT $IDOPTION
 test_id_option=--load-list $IDFILE
 test_list_option=--list