diff --git a/WSP.md b/WSP.md
index 52cf9a4..4342bea 100644
--- a/WSP.md
+++ b/WSP.md
@@ -1,5 +1,6 @@
 # WorldScape Plugin
 
+- updated: 5.7.1
 - /WorldScape/Levels/Planets_Levels/Demonstration_EarthLikePlanet
 
 惑星を作る。