diff --git a/go.mod b/go.mod
index b4191fc..b897036 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/safchain/ethtool
 
 go 1.16
 
-require golang.org/x/sys v0.21.0
+require golang.org/x/sys v0.23.0
diff --git a/go.sum b/go.sum
index ac7fb31..d9ec23b 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
-golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM=
+golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=