diff --git a/package/python-service-identity/Config.in b/package/python-service-identity/Config.in
index 304b38acde..73593b0d61 100644
--- a/package/python-service-identity/Config.in
+++ b/package/python-service-identity/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_PYTHON_SERVICE_IDENTITY
 	bool "python-service-identity"
 	depends on BR2_INSTALL_LIBSTDCPP # python-pyopenssl, python-pyasn
+	select BR2_PACKAGE_PYTHON_ATTRS # runtime
 	select BR2_PACKAGE_PYTHON_CHARACTERISTIC # runtime
 	select BR2_PACKAGE_PYTHON_PYASN # runtime
 	select BR2_PACKAGE_PYTHON_PYASN_MODULES # runtime