diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 23274a325..cc7b92af9 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,7 +3,7 @@ Changelog
 
 kitty is a feature full, cross-platform, *fast*, GPU based terminal emulator.
 
-version 0.9.1 [future]
+version 0.9.1 [2018-05-05]
 ------------------------------
 
 - Show a bell symbol on the tab if a bell occurs in one of the windows in the tab and
diff --git a/kitty/constants.py b/kitty/constants.py
index 66a8cbafa..99744c098 100644
--- a/kitty/constants.py
+++ b/kitty/constants.py
@@ -11,7 +11,7 @@
 from .fast_data_types import set_boss as set_c_boss
 
 appname = 'kitty'
-version = (0, 9, 0)
+version = (0, 9, 1)
 str_version = '.'.join(map(str, version))
 _plat = sys.platform.lower()
 is_macos = 'darwin' in _plat