diff --git a/HISTORY.rst b/HISTORY.rst
index 49771c84..8cf78a3a 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -4,7 +4,7 @@ Release History
 PlatformIO 2.0
 --------------
 
-2.3.4 (2015-10-??)
+2.3.4 (2015-10-13)
 ~~~~~~~~~~~~~~~~~~
 
 * Full support of `CLion IDE <http://docs.platformio.org/en/latest/ide/clion.html>`_
diff --git a/platformio/__init__.py b/platformio/__init__.py
index fffd186e..7243c4ee 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -1,7 +1,7 @@
 # Copyright (C) Ivan Kravets <me@ikravets.com>
 # See LICENSE for details.
 
-VERSION = (2, 3, "4.dev3")
+VERSION = (2, 3, 4)
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"