diff --git a/docs/changelog.rst b/docs/changelog.rst
index b8a4631c265..e1eb407da3b 100644
--- a/docs/changelog.rst
+++ b/docs/changelog.rst
@@ -3,7 +3,7 @@ Changelog
 
 |kitty| is a feature full, cross-platform, *fast*, GPU based terminal emulator.
 
-0.12.3 [future]
+0.12.3 [2018-09-29]
 ------------------------------
 
 - macOS: Fix kitty window not being rendered on macOS Mojave until the window is
diff --git a/kitty/constants.py b/kitty/constants.py
index 8971184caf9..abefeb8984f 100644
--- a/kitty/constants.py
+++ b/kitty/constants.py
@@ -9,7 +9,7 @@
 
 
 appname = 'kitty'
-version = (0, 12, 2)
+version = (0, 12, 3)
 str_version = '.'.join(map(str, version))
 _plat = sys.platform.lower()
 is_macos = 'darwin' in _plat