diff --git a/package/python-service-identity/Config.in b/package/python-service-identity/Config.in
index d6ca060562..09ebd97a65 100644
--- a/package/python-service-identity/Config.in
+++ b/package/python-service-identity/Config.in
@@ -7,6 +7,7 @@ config BR2_PACKAGE_PYTHON_SERVICE_IDENTITY
 	select BR2_PACKAGE_PYTHON_PYASN1 # runtime
 	select BR2_PACKAGE_PYTHON_PYASN1_MODULES # runtime
 	select BR2_PACKAGE_PYTHON_PYOPENSSL # runtime
+	select BR2_PACKAGE_PYTHON_SIX # runtime
 	help
 	  Service identity verification for pyOpenSSL.