diff --git a/package/python-attrs/Config.in b/package/python-attrs/Config.in
index fb0ab248fa..b1a69d0e3e 100644
--- a/package/python-attrs/Config.in
+++ b/package/python-attrs/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_PYTHON_ATTRS
 	bool "python-attrs"
+	depends on BR2_PACKAGE_PYTHON3
 	help
 	  attrs is the Python package that will bring back the joy of
 	  writing classes by relieving you from the drudgery of
diff --git a/package/python-automat/Config.in b/package/python-automat/Config.in
index ee02d22b5b..9d22276c2c 100644
--- a/package/python-automat/Config.in
+++ b/package/python-automat/Config.in
@@ -1,5 +1,6 @@
 config BR2_PACKAGE_PYTHON_AUTOMAT
 	bool "python-automat"
+	depends on BR2_PACKAGE_PYTHON3 # python-attrs
 	select BR2_PACKAGE_PYTHON_ATTRS # runtime
 	select BR2_PACKAGE_PYTHON_SIX # runtime
 	help