diff --git a/pkg/mvs/mvs.go b/pkg/mvs/mvs.go
index 0babc1ec..ea53475f 100644
--- a/pkg/mvs/mvs.go
+++ b/pkg/mvs/mvs.go
@@ -22,6 +22,12 @@ type ReqsGraph struct {
 }
 
 func (r ReqsGraph) Max(path, v1, v2 string) string {
+	if v1 == "none" || v2 == "" {
+		return v2
+	}
+	if v2 == "none" || v1 == "" {
+		return v1
+	}
 	version1, err := version.NewVersion(v1)
 	if err != nil {
 		reporter.Fatal(reporter.FailedParseVersion, err, fmt.Sprintf("failed to parse version %s for module %s", v1, path))
diff --git a/pkg/mvs/mvs_test.go b/pkg/mvs/mvs_test.go
index f18f3973..b90da6d5 100644
--- a/pkg/mvs/mvs_test.go
+++ b/pkg/mvs/mvs_test.go
@@ -3,6 +3,7 @@ package mvs
 import (
 	"os"
 	"path/filepath"
+	"sort"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -52,9 +53,12 @@ func TestRequired(t *testing.T) {
 	assert.Equal(t, len(req), 2)
 
 	expectedReqs := []module.Version{
-		{Path:"ccc", Version:"0.0.1"},
 		{Path:"bbb", Version:"0.0.1"},
+		{Path:"ccc", Version:"0.0.1"},
 	}
+	sort.Slice(req, func(i, j int) bool {
+		return req[i].Path < req[j].Path
+	})
 	assert.Equal(t, req, expectedReqs)
 }