diff --git a/TOC.md b/TOC.md
index 98181675d662f..4bae655470317 100644
--- a/TOC.md
+++ b/TOC.md
@@ -548,6 +548,8 @@
 + Release Notes
   + [All Releases](/releases/release-notes.md)
   + [TiDB Roadmap](/roadmap.md)
+  + v5.1
+    + [5.1.0](/releases/release-5.1.0.md)  
   + v5.0
     + [5.0.2](/releases/release-5.0.2.md)
     + [5.0.1](/releases/release-5.0.1.md)