diff --git a/CHANGELOG.md b/CHANGELOG.md
index abcd5ba3dc..a101883887 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -29,6 +29,17 @@ Unreleased changes are tracked as individual files in the [news/](./news)
 directory, or view the [latest generated
 changelog](https://rules-python.readthedocs.io/en/latest/changelog.html).
 
+{#v2-3-4}
+## [2.3.4] - 2026-09-21
+
+[2.3.4]: https://github.com/bazel-contrib/rules_python/releases/tag/2.3.4
+
+{#v2-3-4-added}
+### Added
+* (toolchains) Added win32 (`i686-pc-windows-msvc`) Python runtimes for
+  versions 3.9.25, 3.10.20, 3.11.15, 3.12.13, 3.13.13, and 3.14.4
+  ([#4156](https://github.com/bazel-contrib/rules_python/pull/4156)).
+
 {#v2-3-3}
 ## [2.3.3] - 2026-09-04