diff --git a/go.mod b/go.mod
index d4a4009..a040164 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module github.com/go-andiamo/gopt-mongo
 go 1.18
 
 require (
-	github.com/go-andiamo/gopt v1.3.1
+	github.com/go-andiamo/gopt v1.6.0
 	github.com/stretchr/testify v1.8.1
 	go.mongodb.org/mongo-driver v1.11.0
 )
diff --git a/go.sum b/go.sum
index 620fbcb..0b68ef9 100644
--- a/go.sum
+++ b/go.sum
@@ -3,6 +3,8 @@ github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-andiamo/gopt v1.3.1 h1:52qe32MMoJnjEIfMtozwo6qLSkXxXWO+QG+Z5hlxJfo=
 github.com/go-andiamo/gopt v1.3.1/go.mod h1:jBDKwaf2c/xc7wy5pqnqjFGZE2tz6jagoczq/Hj8eFg=
+github.com/go-andiamo/gopt v1.6.0 h1:TvbjjiMLUlR11IgNMTEhcN5LuelqPT51753nNDaa+DE=
+github.com/go-andiamo/gopt v1.6.0/go.mod h1:jBDKwaf2c/xc7wy5pqnqjFGZE2tz6jagoczq/Hj8eFg=
 github.com/golang/snappy v0.0.1 h1:Qgr9rKW7uDUkrbSmQeiDsGa8SjGyCOGtuasMWwvp2P4=
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/google/go-cmp v0.5.2 h1:X2ev0eStA3AbceY54o37/0PQ/UWqKEiiO2dKL5OPaFM=