diff --git a/cc/config/global.go b/cc/config/global.go
index e2377e311..8fd59144f 100644
--- a/cc/config/global.go
+++ b/cc/config/global.go
@@ -116,7 +116,7 @@ var (
 	CStdVersion               = "gnu99"
 	CppStdVersion             = "gnu++14"
 	ExperimentalCStdVersion   = "gnu11"
-	ExperimentalCppStdVersion = "gnu++1z"
+	ExperimentalCppStdVersion = "gnu++2a"
 
 	NdkMaxPrebuiltVersionInt = 27