diff --git a/go.mod b/go.mod
index 79ae003..619db8e 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/safchain/ethtool
 
 go 1.16
 
-require golang.org/x/sys v0.13.0
+require golang.org/x/sys v0.16.0
diff --git a/go.sum b/go.sum
index d4673ec..ed3454f 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
-golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
+golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=