diff --git a/go.mod b/go.mod
index 79cb8f4..cc3eea6 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,4 @@ module github.com/muesli/cancelreader
 
 go 1.17
 
-require golang.org/x/sys v0.0.0-20220204135822-1c1b9b1eba6a
+require golang.org/x/sys v0.9.0
diff --git a/go.sum b/go.sum
index 097da21..cb35c1f 100644
--- a/go.sum
+++ b/go.sum
@@ -1,2 +1,2 @@
-golang.org/x/sys v0.0.0-20220204135822-1c1b9b1eba6a h1:ppl5mZgokTT8uPkmYOyEUmPTr3ypaKkg5eFOGrAmxxE=
-golang.org/x/sys v0.0.0-20220204135822-1c1b9b1eba6a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.9.0 h1:KS/R3tvhPqvJvwcKfnBHJwwthS11LRhmM5D59eEXa0s=
+golang.org/x/sys v0.9.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=