diff --git a/tests/requirements-py3.txt b/tests/requirements-py3.txt
index e37a2e68d..cac8da9b5 100644
--- a/tests/requirements-py3.txt
+++ b/tests/requirements-py3.txt
@@ -3,3 +3,6 @@ pytest-twisted
 pytest-cov
 testfixtures
 jmespath
+# optional for shell wrapper tests
+bpython
+ipython