diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9046731..b21f974 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.20.0
+
+* Support Python 3.14 by @Kludex in https://github.com/Kludex/mangum/pull/354
+
 # 0.19.0
 
 * Add support for [Lifespan State](https://asgi.readthedocs.io/en/latest/specs/lifespan.html#lifespan-state).
diff --git a/pyproject.toml b/pyproject.toml
index 3d54e9c..da53664 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "mangum"
-version = "0.19.0"
+version = "0.20.0"
 authors = [
     { name = "Jordan Eremieff", email = "jordan@eremieff.com" },
     { name = "Marcelo Trylesinski", email = "marcelotryle@gmail.com" },