diff --git a/go.mod b/go.mod
index 952a551..780bcc9 100644
--- a/go.mod
+++ b/go.mod
@@ -1,10 +1,8 @@
-module github.com/emmansun/sm2rsign
-
-go 1.18
-
-require github.com/emmansun/gmsm v0.23.0
-
-require (
-	golang.org/x/crypto v0.15.0 // indirect
-	golang.org/x/sys v0.14.0 // indirect
-)
+module github.com/emmansun/sm2rsign
+
+require github.com/emmansun/gmsm v0.24.1
+
+require (
+	golang.org/x/crypto v0.16.0 // indirect
+	golang.org/x/sys v0.15.0 // indirect
+)
diff --git a/go.sum b/go.sum
index 73b6c55..d2a9158 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,6 @@
-github.com/emmansun/gmsm v0.23.0 h1:kxl5+Oa0yEuJQsr7vZY+pBbutO4TqZ1tDusOwXqxkhA=
-github.com/emmansun/gmsm v0.23.0/go.mod h1:6PlvMMQgj3DJQ2sAtovIL1PSQPp/k1ECYgAQrv3OVpY=
-golang.org/x/crypto v0.15.0 h1:frVn1TEaCEaZcn3Tmd7Y2b5KKPaZ+I32Q2OA3kYp5TA=
-golang.org/x/crypto v0.15.0/go.mod h1:4ChreQoLWfG3xLDer1WdlH5NdlQ3+mwnQq1YTKY+72g=
-golang.org/x/sys v0.14.0 h1:Vz7Qs629MkJkGyHxUlRHizWJRG2j8fbQKjELVSNhy7Q=
-golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+github.com/emmansun/gmsm v0.24.1 h1:IC4BQLKtOYCwk+f+BC1OAp8dCzMFk5szOnbfa0ih8BI=
+github.com/emmansun/gmsm v0.24.1/go.mod h1:RIl9Cdg2ZkNf191c3jqKO6fTaJerFeAWP1ECnzOYD+s=
+golang.org/x/crypto v0.16.0 h1:mMMrFzRSCF0GvB7Ne27XVtVAaXLrPmgPC7/v0tkwHaY=
+golang.org/x/crypto v0.16.0/go.mod h1:gCAAfMLgwOJRpTjQ2zCCt2OcSfYMTeZVSRtQlPC7Nq4=
+golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
+golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=