diff --git a/go.mod b/go.mod
index 93b8966..3950dc5 100644
--- a/go.mod
+++ b/go.mod
@@ -11,6 +11,7 @@ require (
 
 replace (
 	github.com/google/uuid => github.com/google/uuid v1.0.0
+	github.com/spf13/pflag => github.com/spf13/pflag v1.0.1
 	github.com/stretchr/testify => github.com/stretchr/testify v1.2.2
 	golang.org/x/net => golang.org/x/net v0.0.0-20190206173232-65e2d4e15006
 	golang.org/x/sync => golang.org/x/sync v0.0.0-20181108010431-42b317875d0f