diff --git a/package/python-crossbar/Config.in b/package/python-crossbar/Config.in
index 2f9de6e0b5..526d9871be 100644
--- a/package/python-crossbar/Config.in
+++ b/package/python-crossbar/Config.in
@@ -1,6 +1,7 @@
 config BR2_PACKAGE_PYTHON_CROSSBAR
 	bool "python-crossbar"
 	depends on BR2_INSTALL_LIBSTDCPP # python-cryptography
+	depends on BR2_PACKAGE_PYTHON3
 	# All the following dependencies are runtime dependencies
 	select BR2_PACKAGE_PYTHON_ATTRS
 	select BR2_PACKAGE_PYTHON_AUTOBAHN
@@ -48,3 +49,4 @@ config BR2_PACKAGE_PYTHON_CROSSBAR
 
 comment "python-crossbar needs a toolchain w/ C++"
 	depends on !BR2_INSTALL_LIBSTDCPP
+	depends on BR2_PACKAGE_PYTHON3