diff --git a/go.mod b/go.mod
index 359fd37..5ed5e07 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/emmansun/sm2elgamal
 go 1.18
 
 require (
-	github.com/emmansun/gmsm v0.23.0
+	github.com/emmansun/gmsm v0.24.1
 	golang.org/x/crypto v0.16.0
 )
 
diff --git a/go.sum b/go.sum
index 919f332..d2a9158 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/emmansun/gmsm v0.23.0 h1:kxl5+Oa0yEuJQsr7vZY+pBbutO4TqZ1tDusOwXqxkhA=
-github.com/emmansun/gmsm v0.23.0/go.mod h1:6PlvMMQgj3DJQ2sAtovIL1PSQPp/k1ECYgAQrv3OVpY=
+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=