diff --git a/buildScript/lib/core/get_source_env.sh b/buildScript/lib/core/get_source_env.sh
index 42a2ff9..f3e8674 100644
--- a/buildScript/lib/core/get_source_env.sh
+++ b/buildScript/lib/core/get_source_env.sh
@@ -1,2 +1,2 @@
-export COMMIT_SING_BOX="eb5f8c56b2212a6fda79d5e70659dd9c392c133a"
+export COMMIT_SING_BOX="c40082fa2ea212c2433f0f99e9db0f0dc38187c1"
 export COMMIT_LIBNEKO="1c47a3af71990a7b2192e03292b4d246c308ef0b"
diff --git a/libcore/go.mod b/libcore/go.mod
index 55f7308..dcb73ec 100644
--- a/libcore/go.mod
+++ b/libcore/go.mod
@@ -60,7 +60,7 @@ require (
 	github.com/sagernet/quic-go v0.49.0-beta.1 // indirect
 	github.com/sagernet/reality v0.0.0-20230406110435-ee17307e7691 // indirect
 	github.com/sagernet/sing-mux v0.3.1 // indirect
-	github.com/sagernet/sing-quic v0.4.0 // indirect
+	github.com/sagernet/sing-quic v0.4.1-beta.1 // indirect
 	github.com/sagernet/sing-shadowsocks v0.2.7 // indirect
 	github.com/sagernet/sing-shadowsocks2 v0.2.0 // indirect
 	github.com/sagernet/sing-shadowtls v0.2.0 // indirect
diff --git a/libcore/go.sum b/libcore/go.sum
index 0b215c1..1f2f99a 100644
--- a/libcore/go.sum
+++ b/libcore/go.sum
@@ -104,8 +104,8 @@ github.com/sagernet/sing-dns v0.4.0 h1:+mNoOuR3nljjouCH+qMg4zHI1+R9T2ReblGFkZPEn
 github.com/sagernet/sing-dns v0.4.0/go.mod h1:dweQs54ng2YGzoJfz+F9dGuDNdP5pJ3PLeggnK5VWc8=
 github.com/sagernet/sing-mux v0.3.1 h1:kvCc8HyGAskDHDQ0yQvoTi/7J4cZPB/VJMsAM3MmdQI=
 github.com/sagernet/sing-mux v0.3.1/go.mod h1:Mkdz8LnDstthz0HWuA/5foncnDIdcNN5KZ6AdJX+x78=
-github.com/sagernet/sing-quic v0.4.0 h1:E4geazHk/UrJTXMlT+CBCKmn8V86RhtNeczWtfeoEFc=
-github.com/sagernet/sing-quic v0.4.0/go.mod h1:c+CytOEyeN20KCTFIP8YQUkNDVFLSzjrEPqP7Hlnxys=
+github.com/sagernet/sing-quic v0.4.1-beta.1 h1:V2VfMckT3EQR3ZdfSzJgZZDsvfZZH42QAZpnOnHKa0s=
+github.com/sagernet/sing-quic v0.4.1-beta.1/go.mod h1:c+CytOEyeN20KCTFIP8YQUkNDVFLSzjrEPqP7Hlnxys=
 github.com/sagernet/sing-shadowsocks v0.2.7 h1:zaopR1tbHEw5Nk6FAkM05wCslV6ahVegEZaKMv9ipx8=
 github.com/sagernet/sing-shadowsocks v0.2.7/go.mod h1:0rIKJZBR65Qi0zwdKezt4s57y/Tl1ofkaq6NlkzVuyE=
 github.com/sagernet/sing-shadowsocks2 v0.2.0 h1:wpZNs6wKnR7mh1wV9OHwOyUr21VkS3wKFHi+8XwgADg=