diff --git a/json/src/lib.rs b/json/src/lib.rs
index 25f3508e..e2a6e142 100644
--- a/json/src/lib.rs
+++ b/json/src/lib.rs
@@ -906,6 +906,7 @@ pub struct Softfork {
 #[serde(rename_all = "lowercase")]
 pub enum ScriptPubkeyType {
     Nonstandard,
+    Anchor,
     Pubkey,
     PubkeyHash,
     ScriptHash,