diff --git a/README.md b/README.md
index 035331b..d1bb5b4 100644
--- a/README.md
+++ b/README.md
@@ -16,6 +16,11 @@ Supported drafts:
 * Draft 6
 * Draft 4 (except optional bignum)
 
+Partially supported drafts (some keywords are not implemented):
+
+* Draft 2019-09 
+* Draft 2020-12
+
 Bonus support added for:
 * [JSON Type Definition (JTD)](https://jsontypedef.com/) via the [jtd crate](https://docs.rs/jtd/)
 * [Apache Avro](https://avro.apache.org/) via the [avro_rs crate](https://docs.rs/avro-rs/)
@@ -139,4 +144,4 @@ select avro_is_valid('{
 
 ### Prior Art
 - https://github.com/gavinwahl/postgres-json-schema
-- https://github.com/furstenheim/is_jsonb_valid
\ No newline at end of file
+- https://github.com/furstenheim/is_jsonb_valid