diff --git a/go.mod b/go.mod
index 4c6cb14..eba05d3 100644
--- a/go.mod
+++ b/go.mod
@@ -4,6 +4,6 @@ go 1.12
 
 require (
 	github.com/lann/builder v0.0.0-20150808151131-f22ce00fd939
-	github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0
+	github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
 	golang.org/x/tools v0.0.0-20170217234718-8e779ee0a450
 )