diff --git a/docs/element-support.md b/docs/element-support.md
index 3dca07c..34589e0 100644
--- a/docs/element-support.md
+++ b/docs/element-support.md
@@ -88,3 +88,6 @@ For elements that are included in the official [DTD](https://github.com/Podcasti
 ## GUID `<podcast:guid>`
 1. [Buzzsprout](https://www.buzzsprout.com)
 2. [Castos](https://castos.com/introducing-podcast-2-0-support/)
+
+## Value `<podcast:value>`
+1. [Castos](https://castos.com/earn-bitcoin-from-your-listeners/)