diff --git a/forgeConfig/Makefile b/forgeConfig/Makefile
index 8c6325d..ecb25d8 100644
--- a/forgeConfig/Makefile
+++ b/forgeConfig/Makefile
@@ -13,6 +13,9 @@ list:
 add:
 	./forgeConfig --add --name 'foo' --gopath 'go.wit.com/apps/foo'
 
+update:
+	./forgeConfig --update --name 'foo' --gopath 'go.wit.com/apps/foonew'
+
 goimports:
 	goimports -w *.go
 
diff --git a/forgeConfig/argv.go b/forgeConfig/argv.go
index 44aff23..9081e9e 100644
--- a/forgeConfig/argv.go
+++ b/forgeConfig/argv.go
@@ -12,6 +12,7 @@ type args struct {
 	ConfigDir string `arg:"env:FORGE_HOME"                    help:"defaults to ~/.config/forge/"`
 	List      bool   `arg:"--list"         default:"false"    help:"list repos in your config"`
 	Add       bool   `arg:"--add"          default:"false"    help:"add a new repo"`
+	Update    bool   `arg:"--update"       default:"false"    help:"update a repo"`
 	Name      string `arg:"--name"                            help:"name of the repo"`
 	GoPath    string `arg:"--gopath"                          help:"gopath of the repo"`
 }
diff --git a/forgeConfig/main.go b/forgeConfig/main.go
index cdd70cf..81fe8bc 100644
--- a/forgeConfig/main.go
+++ b/forgeConfig/main.go
@@ -20,13 +20,23 @@ func main() {
 	}
 	if argv.List {
 		log.Info(forgepb.RepoHeader())
-		loop := repos.SortByName() // get the list of droplets
+		loop := repos.SortByName() // get the list of repos
 		for loop.Scan() {
 			r := loop.Repo()
 			log.Info("repo:", r.Name, r.Gopath)
 		}
 		os.Exit(0)
 	}
+	if argv.Update {
+		r := repos.FindByName(argv.Name) // find the repo
+		if r == nil {
+			log.Info("rep:", argv.Name, "not found")
+			os.Exit(-1)
+		}
+		r.Gopath = argv.GoPath
+		repos.ConfigSave()
+		os.Exit(0)
+	}
 	if argv.Add {
 		log.Info("going to add a new repo", argv.Name, argv.GoPath)
 		new1 := new(forgepb.Repo)