diff --git a/HISTORY.rst b/HISTORY.rst
index 5fe31b04..989e9c39 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -4,7 +4,7 @@ Release History
 PlatformIO 2.0
 --------------
 
-2.6.3 (2015-12-??)
+2.6.3 (2015-12-21)
 ~~~~~~~~~~~~~~~~~~
 
 * Restored support for Espressif ESP8266 ESP-01 1MB board (ready for OTA)
diff --git a/platformio/__init__.py b/platformio/__init__.py
index 9dee1400..adf23bc5 100644
--- a/platformio/__init__.py
+++ b/platformio/__init__.py
@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-VERSION = (2, 6, "3.dev0")
+VERSION = (2, 6, 3)
 __version__ = ".".join([str(s) for s in VERSION])
 
 __title__ = "platformio"