diff --git a/README.md b/README.md
index 3d6a38b..3adcb48 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@
 
 ## Changelog
 
-### 0.3.9 (2021-04-07)
+### 0.3.9 (2021-05-26)
 * (o0shojo0o) add GPIO Control
 
 ### 0.3.8 (2021-04-07)