diff --git a/go.mod b/go.mod
index cd6c43d..e915e10 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module gitee.com/Trisia/gotlcp
 go 1.24.0
 
 require (
-	github.com/emmansun/gmsm v0.41.1
+	github.com/emmansun/gmsm v0.42.0
 	golang.org/x/crypto v0.48.0
 )
diff --git a/go.sum b/go.sum
index 4483bf1..849f699 100644
--- a/go.sum
+++ b/go.sum
@@ -1,11 +1,6 @@
-github.com/emmansun/gmsm v0.40.1 h1:UWt8Olg3h20s+/JwbIpG339jciXi3y9ZqPFh52qZuJw=
-github.com/emmansun/gmsm v0.40.1/go.mod h1:EpQkChC2hxFAutJRbVNDGybWOVA0YGnfldnAfFG7F2M=
-github.com/emmansun/gmsm v0.41.1 h1:mD1MqmaXTEqt+9UVmDpRYvcEMIa5vuslFEnw7IWp6/w=
-github.com/emmansun/gmsm v0.41.1/go.mod h1:FD1EQk4XcSMkahZFzNwFoI/uXzAlODB9JVsJ9G5N7Do=
-golang.org/x/crypto v0.47.0 h1:V6e3FRj+n4dbpw86FJ8Fv7XVOql7TEwpHapKoMJ/GO8=
-golang.org/x/crypto v0.47.0/go.mod h1:ff3Y9VzzKbwSSEzWqJsJVBnWmRwRSHt/6Op5n9bQc4A=
+github.com/emmansun/gmsm v0.42.0 h1:4lKCm4uay1ZjzJmdOzxCZHa4WvIbz64Z3NEJn9itMHg=
+github.com/emmansun/gmsm v0.42.0/go.mod h1:FD1EQk4XcSMkahZFzNwFoI/uXzAlODB9JVsJ9G5N7Do=
 golang.org/x/crypto v0.48.0 h1:/VRzVqiRSggnhY7gNRxPauEQ5Drw9haKdM0jqfcCFts=
 golang.org/x/crypto v0.48.0/go.mod h1:r0kV5h3qnFPlQnBSrULhlsRfryS2pmewsg+XfMgkVos=
-golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
-golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/sys v0.41.0 h1:Ivj+2Cp/ylzLiEU89QhWblYnOE9zerudt9Ftecq2C6k=
+golang.org/x/sys v0.41.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=