diff --git a/go.mod b/go.mod
index 428e8beb..070e0640 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/tg123/sshpiper
 
-go 1.17
+go 1.18
 
 replace (
 	github.com/jessevdk/go-flags => github.com/tg123/go-flags v1.4.0-globalref
@@ -53,13 +53,11 @@ require (
 	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/google/go-cmp v0.5.6 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/imdario/mergo v0.3.5 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/lib/pq v1.1.1 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/spf13/pflag v1.0.5 // indirect
 	golang.org/x/oauth2 v0.0.0-20210819190943-2bc19b11175f // indirect
 	golang.org/x/term v0.0.0-20210927222741-03fcf44c2211 // indirect
 	golang.org/x/text v0.3.7 // indirect
diff --git a/go.sum b/go.sum
index fedc2546..75ef6616 100644
--- a/go.sum
+++ b/go.sum
@@ -205,7 +205,6 @@ github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ
 github.com/hashicorp/golang-lru v0.5.1/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
-github.com/imdario/mergo v0.3.5 h1:JboBksRwiiAJWvIYJVo46AfV+IAIKZpfrSzVKj42R4Q=
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/jinzhu/gorm v1.9.16 h1:+IyIjPEABKRpsu/F8OvDPy9fyQlgsg2luMV2ZIH5i5o=
 github.com/jinzhu/gorm v1.9.16/go.mod h1:G3LB3wezTOWM2ITLzPxEXgSkOXAntiLHS7UdBefADcs=