diff --git a/go.mod b/go.mod
index f5d0435..848060e 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/emmansun/gmsm
 go 1.18
 
 require (
-	golang.org/x/crypto v0.30.0
+	golang.org/x/crypto v0.31.0
 	golang.org/x/sys v0.28.0
 )
diff --git a/go.sum b/go.sum
index c8576b6..0b273f9 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
-golang.org/x/crypto v0.30.0 h1:RwoQn3GkWiMkzlX562cLB7OxWvjH1L8xutO2WoJcRoY=
-golang.org/x/crypto v0.30.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
+golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
+golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=
 golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
 golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=