diff --git a/package/python-flask/Config.in b/package/python-flask/Config.in
index 6f77913ed1..72fcb61999 100644
--- a/package/python-flask/Config.in
+++ b/package/python-flask/Config.in
@@ -2,8 +2,12 @@ config BR2_PACKAGE_PYTHON_FLASK
 	bool "python-flask"
 	select BR2_PACKAGE_PYTHON_CLICK # runtime
 	select BR2_PACKAGE_PYTHON_JINJA2 # runtime
+	select BR2_PACKAGE_PYTHON_LXML # runtime
 	select BR2_PACKAGE_PYTHON_WERKZEUG # runtime
 	select BR2_PACKAGE_PYTHON_ITSDANGEROUS # runtime
+	select BR2_PACKAGE_PYTHON_SETUPTOOLS # runtime
+	select BR2_PACKAGE_PYTHON_SSL if BR2_PACKAGE_PYTHON
+	select BR2_PACKAGE_PYTHON3_SSL if BR2_PACKAGE_PYTHON3
 	select BR2_PACKAGE_PYTHON_ZLIB if BR2_PACKAGE_PYTHON
 	select BR2_PACKAGE_PYTHON3_ZLIB if BR2_PACKAGE_PYTHON3
 	help