diff --git a/keywords.md b/keywords.md
index df43b36dfd33..f5a4f21e447f 100644
--- a/keywords.md
+++ b/keywords.md
@@ -488,6 +488,7 @@ TiDB 从 v7.5.3 和 v7.6.0 开始提供 [`INFORMATION_SCHEMA.KEYWORDS`](/informa
 - OF (R)
 - OFF
 - OFFSET
+- OLD
 - OLTP_READ_ONLY
 - OLTP_READ_WRITE
 - OLTP_WRITE_ONLY
@@ -595,6 +596,7 @@ TiDB 从 v7.5.3 和 v7.6.0 开始提供 [`INFORMATION_SCHEMA.KEYWORDS`](/informa
 - RESTORES
 - RESTRICT (R)
 - RESUME
+- RETAIN
 - RETURNING
 - REUSE
 - REVERSE