diff --git a/go.mod b/go.mod
index 8c092a8..a80270e 100644
--- a/go.mod
+++ b/go.mod
@@ -4,5 +4,5 @@ go 1.18
 
 require (
 	github.com/tklauser/numcpus v0.8.0
-	golang.org/x/sys v0.20.0
+	golang.org/x/sys v0.21.0
 )
diff --git a/go.sum b/go.sum
index 9e18735..b9fade7 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
 github.com/tklauser/numcpus v0.8.0 h1:Mx4Wwe/FjZLeQsK/6kt2EOepwwSl7SmJrK5bV/dXYgY=
 github.com/tklauser/numcpus v0.8.0/go.mod h1:ZJZlAY+dmR4eut8epnzf0u/VwodKmryxR8txiloSqBE=
-golang.org/x/sys v0.20.0 h1:Od9JTbYCk261bKm4M/mw7AklTlFYIa0bIp9BgSm1S8Y=
-golang.org/x/sys v0.20.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=