diff --git a/go.mod b/go.mod
index 37dc892..f73968c 100644
--- a/go.mod
+++ b/go.mod
@@ -2,4 +2,7 @@ module git.crumpington.com/public/toolbox
 
 go 1.16
 
-require golang.org/x/term v0.0.0-20210317153231-de623e64d2a6
+require (
+	golang.org/x/sys v0.0.0-20201119102817-f84b799fce68 // indirect
+	golang.org/x/term v0.0.0-20210317153231-de623e64d2a6
+)