diff --git a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
index 08a79ee4d9..4f355bb454 100644
--- a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
+++ b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
@@ -123,6 +123,10 @@ choice
 	    m = ( LINUX_VERSION_CODE >> 8  ) & 0xFF
 	    p = ( LINUX_VERSION_CODE >> 0  ) & 0xFF
 
+config BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_0
+	bool "5.0.x"
+	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_5_0
+
 config BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_20
 	bool "4.20.x"
 	select BR2_TOOLCHAIN_HEADERS_AT_LEAST_4_20