diff --git a/CHANGELOG.md b/CHANGELOG.md
index a2175d6..bdc4170 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,9 @@
-## 0.4.0 - xx/xx/2017
+## 0.4.0 - 14/06/2017
 Add credentials support to socket server (define TCPSERVER_USER and TCPSERVER_PWD in your config file)
 Add management lock/unlock for prevent concurrente call to open/close solenoid
 Added the ability to enter an open / close schedule in disabled mode
 Add send statistic information to remote server
+During the initialization function, information on the last rain is no longer removed
 
 ## 0.3.1 - 13/05/2017
 Add experimental support for monostable solenoid valve: