diff --git a/HISTORY.rst b/HISTORY.rst
index 75b385da..e10513ed 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -4,7 +4,7 @@ Release Notes
 PlatformIO 3.0
 --------------
 
-3.3.0 (2017-??-??)
+3.3.0 (2017-03-27)
 ~~~~~~~~~~~~~~~~~~
 
 * PlatformIO Library Registry statistics with new
diff --git a/platformio/__init__.py b/platformio/__init__.py
index ea0e7f69..d5bbee86 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -14,7 +14,7 @@
 
 import sys
 
-VERSION = (3, 3, "0a17")
+VERSION = (3, 3, 0)
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"