diff --git a/CHANGELOG.rst b/CHANGELOG.rst
index 4787ebd9..3f75ca2f 100644
--- a/CHANGELOG.rst
+++ b/CHANGELOG.rst
@@ -3,8 +3,8 @@ Changelog
 +++++++++
 
 
-Unreleased
-==========
+1.0.0 (2023-09-01)
+==================
 
 - Removed the ``toml`` library fallback; ``toml`` can no longer be used
   as a substitute for ``tomli``
diff --git a/pyproject.toml b/pyproject.toml
index 6d2948c6..653c198b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "flit_core.buildapi"
 
 [project]
 name = "build"
-version = "0.10.0"
+version = "1.0.0"
 description = "A simple, correct Python build frontend"
 readme = "README.md"
 requires-python = ">= 3.7"
diff --git a/src/build/__init__.py b/src/build/__init__.py
index 78b65cfb..bd4c2dd0 100644
--- a/src/build/__init__.py
+++ b/src/build/__init__.py
@@ -7,7 +7,7 @@
 from __future__ import annotations
 
 
-__version__ = '0.10.0'
+__version__ = '1.0.0'
 
 import contextlib
 import difflib