diff --git a/History.md b/History.md
index 6aa46650..46d1432d 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,7 @@
+2.2.1
+=======
+2021-08-26
+
 - Now supporting specifying ram:BuyerOrderReferencedDocument/LineID in items field BT-132 issue #247
 - OX Schema incompat is now type 10
 - Upgrade to PDFBox 2.0.23 #233