diff --git a/go.mod b/go.mod
index 05a1d36..f330ad4 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/smlx/piv-agent
 go 1.15
 
 require (
-	github.com/alecthomas/kong v0.3.0
+	github.com/alecthomas/kong v0.4.0
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf
 	github.com/davecgh/go-spew v1.1.1
 	github.com/gen2brain/beeep v0.0.0-20200526185328-e9c15c258e28
diff --git a/go.sum b/go.sum
index e8089bf..92dcce8 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 filippo.io/age v1.0.0-beta4/go.mod h1:TOa3exZvzRCLfjmbJGsqwSQ0HtWjJfTTCQnQsNCC4E0=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/alecthomas/kong v0.3.0 h1:qOLFzu0dGPNz8z5TiXGzgW3gb3RXfWVJKeAxcghVW88=
-github.com/alecthomas/kong v0.3.0/go.mod h1:uzxf/HUh0tj43x1AyJROl3JT7SgsZ5m+icOv1csRhc0=
+github.com/alecthomas/kong v0.4.0 h1:uj5Xe5RaoSRu2sUIy6XZk5QO9NaLU7/+2HXq7GRas/4=
+github.com/alecthomas/kong v0.4.0/go.mod h1:uzxf/HUh0tj43x1AyJROl3JT7SgsZ5m+icOv1csRhc0=
 github.com/alecthomas/repr v0.0.0-20210801044451-80ca428c5142 h1:8Uy0oSf5co/NZXje7U1z8Mpep++QJOldL2hs/sBQf48=
 github.com/alecthomas/repr v0.0.0-20210801044451-80ca428c5142/go.mod h1:2kn6fqh/zIyPLmm3ugklbEi5hg5wS435eygvNfaDQL8=
 github.com/atotto/clipboard v0.1.2/go.mod h1:ZY9tmq7sm5xIbd9bOK4onWV4S6X0u6GY7Vn0Yu86PYI=