diff --git a/pyproject.toml b/pyproject.toml
index 363590cecb98fe7fd031b961a5aa4b61e93c97b2..fb4c2c28ad5f72c40718d31e2d35676da251dd51 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "libhreels"
-version = "2.2.0"
+version = "2.3.0"
 description = "Handling, simulating, and plotting HREELS and Auger spectroscopy data"
 authors = ["Wolf Widdra <wolf.widdra@physik.uni-halle.de>"]
 include = ["*./libhreels/*"]