diff --git a/package/python-idna/Config.in b/package/python-idna/Config.in
index 1fd56ceaf6..e3e548d493 100644
--- a/package/python-idna/Config.in
+++ b/package/python-idna/Config.in
@@ -1,5 +1,7 @@
 config BR2_PACKAGE_PYTHON_IDNA
 	bool "python-idna"
+	select BR2_PACKAGE_PYTHON_UNICODEDATA if BR2_PACKAGE_PYTHON
+	select BR2_PACKAGE_PYTHON3_UNICODEDATA if BR2_PACKAGE_PYTHON3
 	help
 	  A library to support the Internationalised Domain Names in
 	  Applications (IDNA) protocol as specified in RFC 5891. This