diff --git a/CHANGELOG.md b/CHANGELOG.md
index cc6b3bd..9716771 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## 1.0.0 (unreleased)
+## 1.0.0 (2026-10-23)
 
 First release as `spreedly-composer-sdk-server`. If you're upgrading from `dodgeball-server-sdk`, read **Changed** and **Removed**.
 
diff --git a/README.md b/README.md
index 350f1c2..fc603f5 100644
--- a/README.md
+++ b/README.md
@@ -36,13 +36,11 @@ Check out the [Client SDK](https://npmjs.com/package/@dodgeball/trust-sdk-client
 
 ## Installation
 
-The package isn't on PyPI yet. Install it from GitHub:
-
 ```bash
-pip install git+https://github.com/spreedly/composer-sdk-server-python.git
+pip install spreedly-composer-sdk-server
 ```
 
-Or install from a local clone:
+Or install from source:
 
 ```bash
 git clone https://github.com/spreedly/composer-sdk-server-python.git
diff --git a/pyproject.toml b/pyproject.toml
index e85b533..6cdb41a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,5 +1,5 @@
 [build-system]
-requires = ["setuptools>=77.0", "wheel"]
+requires = ["setuptools==84.2.1"]
 build-backend = "setuptools.build_meta"
 
 [project]