diff --git a/tools.go b/tools.go
index fe52a5f..f6b722d 100644
--- a/tools.go
+++ b/tools.go
@@ -38,7 +38,7 @@ type Version struct {
 type versionMap map[string]Version
 
 var (
-	versions = make(versionMap)
+	Versions = make(versionMap)
 )
 
 func (v Version) Register() {