diff --git a/CHANGELOG.md b/CHANGELOG.md
index b2a40fd2..a16b141d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [v0.18.4] - 2024-10-16
+
 ### Changed
 
 - "On this page" subnav incorrectly displays headings for all language tabs (DOP-3424, #625)
diff --git a/pyproject.toml b/pyproject.toml
index dd467552..0fdcbdbe 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "snooty"
-version = "0.18.3.dev"
+version = "0.18.4"
 description = ""
 authors = ["MongoDB, inc. <andrew.aldridge@mongodb.com>"]
 license = "Apache-2.0"
diff --git a/snooty/__init__.py b/snooty/__init__.py
index e8672f56..83c86a0d 100644
--- a/snooty/__init__.py
+++ b/snooty/__init__.py
@@ -1,3 +1,3 @@
 """The Snooty documentation writer's tool."""
 
-__version__ = "0.18.3.dev"
+__version__ = "0.18.4"