diff --git a/go.mod b/go.mod
index cd5415a..1cc226c 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/dustin/go-humanize v1.0.1
 	github.com/google/go-cmp v0.6.0
 	github.com/slack-go/slack v0.13.0
-	golang.org/x/sys v0.21.0
+	golang.org/x/sys v0.22.0
 )
 
 require github.com/gorilla/websocket v1.4.2 // indirect
diff --git a/go.sum b/go.sum
index b2149e3..a698d9e 100644
--- a/go.sum
+++ b/go.sum
@@ -15,6 +15,6 @@ github.com/slack-go/slack v0.13.0 h1:7my/pR2ubZJ9912p9FtvALYpbt0cQPAqkRy2jaSI1PQ
 github.com/slack-go/slack v0.13.0/go.mod h1:hlGi5oXA+Gt+yWTPP0plCdRKmjsDxecdHxYQdlMQKOw=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-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 v0.22.0 h1:RI27ohtqKCnwULzJLqkv897zojh5/DwS/ENaMzUOaWI=
+golang.org/x/sys v0.22.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=