diff --git a/CHANGELOG.md b/CHANGELOG.md
index e9409006d8..c4705884ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## [1.0.0a1] - 2018-12-17
+### Changed
+- Initial Dash 1.0 alpha release [#3](https://github.com/plotly/dash-core/issues/3)
+
 ## 0.33.0 - 2018-12-10
 ## Added
 - Added specific Dash exception types to replace generic exceptions (InvalidIndexException, DependencyException, ResourceException) [#487](https://github.com/plotly/dash/pull/487)
diff --git a/dash/version.py b/dash/version.py
index e3d0b7be11..c62b314184 100644
--- a/dash/version.py
+++ b/dash/version.py
@@ -1 +1 @@
-__version__ = '0.33.0'
+__version__ = '1.0.0a1'