diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index e0cd61e7a..51336648c 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,4 +1,4 @@
-Version 1.3.0
+Version 1.3.0.rc1
 ------------------------------------------------------------
 * Timing improvements over MODBUS Serial interface
 * Modbus RTU use 3.5 char silence before and after transactions