diff --git a/library/packaging/apt_key b/library/packaging/apt_key
index f0d7f8ba81..6eab86bb88 100644
--- a/library/packaging/apt_key
+++ b/library/packaging/apt_key
@@ -59,6 +59,7 @@ options:
         description:
             - url to retrieve key from.
     keyserver:
+        version_added: "1.6"
         required: false
         default: none
         description: