diff --git a/go.mod b/go.mod
index 847f1cd..21e1716 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/emmansun/sm9
 
 go 1.18
 
-require golang.org/x/sys v0.26.0
+require golang.org/x/sys v0.27.0
diff --git a/go.sum b/go.sum
index fe521ef..bacf432 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-golang.org/x/sys v0.26.0 h1:KHjCJyddX0LoSTb3J+vWpupP9p0oznkqVk/IfjymZbo=
-golang.org/x/sys v0.26.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.27.0 h1:wBqf8DvsY9Y/2P8gAfPDEYNuS30J4lPHJxXSb/nJZ+s=
+golang.org/x/sys v0.27.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=