diff --git a/README.md b/README.md
index bca310f..4cfded8 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 Create your own Lanota chart using this software.
 ### Requirement
 - Visual Studio 2017
-- Unity Editor 2017.3.1f1
+- Unity Editor 2017.4.2f2
 ### Note
 - For XP users, last supported version is `v1.7.9`
 - Since `v1.8.5`, `x64` build will be default