diff --git a/go.mod b/go.mod
index 42c8a66..21bd98b 100644
--- a/go.mod
+++ b/go.mod
@@ -7,3 +7,5 @@ require (
 	github.com/pkg/errors v0.8.1
 	github.com/stretchr/testify v1.3.0
 )
+
+go 1.13