diff --git a/pyproject.toml b/pyproject.toml
index 4d8a401e..888c8a1d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ readme = "README.md"
 keywords = ["high-throughput", "automated", "lobsteroutput", "bonding-analysis"]
 license = { text = "BSD 3-Clause" }
 authors = [{ name = "Janine George", email = "janine.george@bam.de" }]
-version = "0.4.1"
+version = "0.4.2"
 classifiers = [
     "Programming Language :: Python :: 3",
     "Programming Language :: Python :: 3.9",