diff --git a/packages/a/asio/xmake.lua b/packages/a/asio/xmake.lua
index 87ed0d094..d6a0d0e64 100644
--- a/packages/a/asio/xmake.lua
+++ b/packages/a/asio/xmake.lua
@@ -7,6 +7,7 @@ package("asio")
 
     add_urls("https://sourceforge.net/projects/asio/files/asio/$(version) (Stable)/asio-$(version).tar.gz", {alias = "sourceforge"})
     add_urls("https://github.com/chriskohlhoff/asio/archive/refs/tags/asio-$(version).tar.gz", {alias = "github", version = function (version) return version:gsub("%.", "-") end})
+    add_versions("github:1.21.0", "5d2d2dcb7bfb39bff941cabbfc8c27ee322a495470bf0f3a7c5238648cf5e6a9")
     add_versions("sourceforge:1.20.0", "4cd5cd0ad97e752a4075f02778732a3737b587f5eeefab59cd98dc43b0dcadb3")
     add_versions("github:1.20.0", "34a8f07be6f54e3753874d46ecfa9b7ab7051c4e3f67103c52a33dfddaea48e6")