diff --git a/CHANGELOG.md b/CHANGELOG.md
index ac38ca3..b507987 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [2.4.0](https://github.com/recap-utr/arguebuf-python/compare/v2.3.1...v2.4.0) (2023-11-02)
+
+
+### Features
+
+* add method to determine sibling distances ([a3538de](https://github.com/recap-utr/arguebuf-python/commit/a3538de9fc64e8238f398c61c5f340cbf1d3141b))
+
+
+### Bug Fixes
+
+* expose NodeType generic type variable ([9d0c891](https://github.com/recap-utr/arguebuf-python/commit/9d0c8910d93b27b3a0ea8ef7fdeaffe0561d00cf))
+
 ## [2.3.1](https://github.com/recap-utr/arguebuf-python/compare/v2.3.0...v2.3.1) (2023-10-26)
 
 
diff --git a/pyproject.toml b/pyproject.toml
index 642775e..6a8ad72 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "arguebuf"
-version = "2.3.1"
+version = "2.4.0"
 description = "Create and analyze argument graphs and serialize them via Protobuf"
 authors = ["Mirko Lenz <info@mirko-lenz.de>"]
 license = "MIT"