diff --git a/engine/ladon/rego/glob/doc.go b/engine/ladon/rego/glob/doc.go
new file mode 100644
index 000000000..9ba170b6c
--- /dev/null
+++ b/engine/ladon/rego/glob/doc.go
@@ -0,0 +1,2 @@
+// Package exact is placeholder package to force download this package when we run `go mod vendor`
+package glob