diff --git a/pyproject.toml b/pyproject.toml
index a65c171..2011e21 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "prodigy-lig"
-version = "1.1.0"
+version = "1.1.1"
 description = "Calculate protein-small molecule binding affinities."
 authors = ["BonvinLab <bonvinlab.support@uu.nl>"]
 license = "Apache-2.0"