diff --git a/go.mod b/go.mod
index e0ceb31..1765a26 100644
--- a/go.mod
+++ b/go.mod
@@ -5,4 +5,4 @@ go 1.18
 
 require github.com/mackerelio/golib v1.2.1
 
-require golang.org/x/text v0.15.0
+require golang.org/x/text v0.16.0
diff --git a/go.sum b/go.sum
index d12543f..2883d66 100644
--- a/go.sum
+++ b/go.sum
@@ -1,4 +1,4 @@
 github.com/mackerelio/golib v1.2.1 h1:SDcDn6Jw3p9bi1N0bg1Z/ilG5qcBB23qL8xNwrU0gg4=
 github.com/mackerelio/golib v1.2.1/go.mod h1:b8ZaapsHGH1FlEJlCqfD98CqafLeyMevyATDlID2BsM=
-golang.org/x/text v0.15.0 h1:h1V/4gjBv8v9cjcR6+AR5+/cIYK5N/WAgiv4xlsEtAk=
-golang.org/x/text v0.15.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/text v0.16.0 h1:a94ExnEXNtEwYLGJSIUxnWoxoRz/ZcCsV63ROupILh4=
+golang.org/x/text v0.16.0/go.mod h1:GhwF1Be+LQoKShO3cGOHzqOgRrGaYc9AvblQOmPVHnI=