diff --git a/README.md b/README.md
index 0fa7ec8..9b4807b 100644
--- a/README.md
+++ b/README.md
@@ -2,4 +2,4 @@
 
 Amalgamate [https://github.com/open62541/open62541]
 
-updated on 2022/10/15
+updated on 2023/01/18