diff --git a/README.md b/README.md
index 9a3370f..bf9105c 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,24 @@ As for me, I found sing-box' JSON config more convenient than Xray's.
 On the other hand, Xray provides more features to hide a proxy,
 that is important, I guess (?), in China and Iran.
 
+## Version
+
+sing-box built from dev-next branch, [26f092d](https://github.com/SagerNet/sing-box/commit/26f092da6fb0801b11c91fd5c8468e9949312e02)
+```
+sing-box version unknown
+
+Environment: go1.23.2 linux/amd64
+Tags: with_gvisor,with_dhcp,with_wireguard,with_reality_server,with_clash_api,with_quic,with_utls,with_ech
+Revision: d97a7569507816bf2ac1a355e19d26b521fb046e
+CGO: enabled
+```
+
+Xray-core built from main branch, [5a96ef6](https://github.com/XTLS/Xray-core/commit/5a96ef632d65b8e68c4f337e0f918a55d1925396)
+```
+Xray 24.11.11 (Xray, Penetrates Everything.) 5a96ef6 (go1.23.2 linux/amd64)
+A unified platform for anti-censorship.
+```
+
 ## hyperfine, curl, direct outbound
 
 File: `bench_curl_direct.txt`