diff --git a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
index a4430f7169..ee45e73292 100644
--- a/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
+++ b/toolchain/toolchain-external/toolchain-external-custom/Config.in.options
@@ -31,6 +31,10 @@ choice
 	  Set to the gcc version that is used by your external
 	  toolchain.
 
+config BR2_TOOLCHAIN_EXTERNAL_GCC_10
+	bool "10.x"
+	select BR2_TOOLCHAIN_GCC_AT_LEAST_10
+
 config BR2_TOOLCHAIN_EXTERNAL_GCC_9
 	bool "9.x"
 	select BR2_TOOLCHAIN_GCC_AT_LEAST_9