diff --git a/core/client/go.mod b/core/client/go.mod
index 4ae29af..4f10753 100644
--- a/core/client/go.mod
+++ b/core/client/go.mod
@@ -4,6 +4,8 @@
 
 require (
 	gioui.org v0.0.0-20211201162354-9a5298914282
+	gioui.org/cmd v0.0.0-20211214104907-f5c9d2725c7b
 	github.com/skip2/go-qrcode v0.0.0-20200617195104-da1b6568686e
-	golang.org/x/sys v0.0.0-20211007075335-d3039528d8ac // indirect
+	github.com/slackhq/nebula v1.5.1
+	golang.org/x/tools v0.1.8-0.20211022200916-316ba0b74098 // indirect
 )