diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5ad7dc42..99c15d6b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,7 +4,7 @@ All notable changes to this project will be documented in this file.
 
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
-## Unreleased
+## 1.0.4 (February 21st, 2024)
 
 - Add `target` request extension. (#888)
 - Fix support for connection `Upgrade` and `CONNECT` when some data in the stream has been read. (#882)
diff --git a/httpcore/__init__.py b/httpcore/__init__.py
index 3709fc40..ea2a2409 100644
--- a/httpcore/__init__.py
+++ b/httpcore/__init__.py
@@ -130,7 +130,7 @@ def __init__(self, *args, **kwargs):  # type: ignore
     "WriteError",
 ]
 
-__version__ = "1.0.3"
+__version__ = "1.0.4"
 
 
 __locals = locals()