diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 818c5627b6..2742f2b882 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "8.4.0"
+  ".": "8.4.1"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6fb503f57c..0c38af034c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,15 @@ As of 2025-08-29, changes are grouped as follows
 - 🐛 Bug Fixes: Bug fixes.
 - ⚡ Improvements: Transparent changes, e.g. better performance.
 
+## [8.4.1](https://github.com/cognitedata/cognite-sdk-python/compare/cognite-sdk-python-v8.4.0...cognite-sdk-python-v8.4.1) (2026-05-12)
+
+
+### Bug Fixes
+
+* **capabilities:** add missing RUN action to FunctionsAcl ([#2614](https://github.com/cognitedata/cognite-sdk-python/issues/2614)) ([fd97419](https://github.com/cognitedata/cognite-sdk-python/commit/fd97419a87aade63e796d8bd106a20284aba99ee))
+* deprecate public api_client property. warn on async api_client footgun on sync client ([#2618](https://github.com/cognitedata/cognite-sdk-python/issues/2618)) ([4b38aa0](https://github.com/cognitedata/cognite-sdk-python/commit/4b38aa05007ce7b1bdab9e1038ab032030655f3d))
+* **iam:** tolerate partial Session response when caller lacks sessionsAcl:LIST ([#2617](https://github.com/cognitedata/cognite-sdk-python/issues/2617)) ([754fbc6](https://github.com/cognitedata/cognite-sdk-python/commit/754fbc676766bd3fc31bd87edea6cd5bb873f2e4))
+
 ## [8.4.0](https://github.com/cognitedata/cognite-sdk-python/compare/cognite-sdk-python-v8.3.0...cognite-sdk-python-v8.4.0) (2026-05-07)
 
 
diff --git a/cognite/client/_version.py b/cognite/client/_version.py
index 4725f9f060..4ca98280fe 100644
--- a/cognite/client/_version.py
+++ b/cognite/client/_version.py
@@ -1,5 +1,5 @@
 from __future__ import annotations
 
-__version__ = "8.4.0"  # x-release-please-version
+__version__ = "8.4.1"  # x-release-please-version
 
 __api_subversion__ = "20230101"
diff --git a/pyproject.toml b/pyproject.toml
index 97bc728ccb..f0d16ae786 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "cognite-sdk"
-version = "8.4.0"
+version = "8.4.1"
 
 description = "Cognite Python SDK"
 readme = "README.md"