diff --git a/.doc/itop-version-history.md b/.doc/itop-version-history.md
index 0cd5526ba..e2e5fbe52 100644
--- a/.doc/itop-version-history.md
+++ b/.doc/itop-version-history.md
@@ -77,6 +77,8 @@ gitGraph
     commit id: "2023-08-09" tag: "3.1.0-2"
     checkout support/2.7
     commit id: "2023-08-10" tag: "2.7.9"
+    checkout support/3.1
+    commit id: "2023-12-20" tag: "3.1.1"
 ```
 
 To learn more, check the [iTop community versions history on the official wiki](https://www.itophub.io/wiki/page?id=latest:release:start).