diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 2be8805..e75fcb5 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -1,11 +1,12 @@
 Release History
 ===============
 
-1.0.0+dev
----------
+1.0.0 (2020-11-22)
+------------------
 
-- Prevent invalid window bit sizes.
 - Added support for Python 3.8 and 3.9.
+- Prevent invalid window bit sizes.
+- Various docs, type checking, tooling and testing improvements.
 
 
 0.15.0 (2019-08-10)
diff --git a/src/wsproto/__init__.py b/src/wsproto/__init__.py
index 201b0d1..b9e0c5e 100644
--- a/src/wsproto/__init__.py
+++ b/src/wsproto/__init__.py
@@ -11,7 +11,7 @@
 from .handshake import H11Handshake
 from .typing import Headers
 
-__version__ = "1.0.0+dev"
+__version__ = "1.0.0"
 
 
 class WSConnection: