diff --git a/go.mod b/go.mod
index 4d096e4..e6c80c1 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/mackerelio/go-osstat
 
 go 1.18
 
-require golang.org/x/sys v0.20.0
+require golang.org/x/sys v0.22.0
diff --git a/go.sum b/go.sum
index 5d1e088..96f003d 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-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 v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=