diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index d71ef975..4ea1aa35 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -1,5 +1,5 @@
 [bumpversion]
-current_version = 2.2.1
+current_version = 2.2.2
 files = strax/__init__.py docs/source/conf.py
 commit = True
 tag = True
diff --git a/HISTORY.md b/HISTORY.md
index 89ecdfd2..0a3a18d9 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,3 +1,10 @@
+2.2.2 / 2025-12-23
+---------------------
+* Better performance lineage `chunk_number` assignment by @dachengx in https://github.com/AxFoundation/strax/pull/1000
+
+**Full Changelog**: https://github.com/AxFoundation/strax/compare/v2.2.1...v2.2.2
+
+
 2.2.1 / 2025-07-18
 ---------------------
 * Check the `data_type` of returned chunk of plugin by @dachengx in https://github.com/AxFoundation/strax/pull/995
diff --git a/docs/source/conf.py b/docs/source/conf.py
index 0b875c57..9da87c06 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -66,9 +66,9 @@
 # built documents.
 #
 # The short X.Y version.
-version = "2.2.1"
+version = "2.2.2"
 # The full version, including alpha/beta/rc tags.
-release = "2.2.1"
+release = "2.2.2"
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
diff --git a/pyproject.toml b/pyproject.toml
index aaff2b08..64215625 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [tool]
 [tool.poetry]
 name = "strax"
-version = "2.2.1"
+version = "2.2.2"
 description = "Streaming analysis for xenon TPCs"
 readme = "README.md"
 authors = [
diff --git a/strax/__init__.py b/strax/__init__.py
index 93aa904f..ce93fa77 100644
--- a/strax/__init__.py
+++ b/strax/__init__.py
@@ -1,5 +1,5 @@
 # flake8: noqa
-__version__ = "2.2.1"
+__version__ = "2.2.2"
 
 # Glue the package together
 # See https://www.youtube.com/watch?v=0oTh1CXRaQ0 if this confuses you