diff --git a/coremain/version.go b/coremain/version.go
index 5b4b4aed5..8c28f1906 100644
--- a/coremain/version.go
+++ b/coremain/version.go
@@ -1,3 +1,5 @@
+package coremain
+
 const (
 	coreName    = "CoreDNS"
 	coreVersion = "001"