diff --git a/pyproject.toml b/pyproject.toml
index 425223b..781884e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "prodigy-lig"
-version = "1.1.2"
+version = "1.1.3"
 description = "Calculate protein-small molecule binding affinities."
 authors = ["BonvinLab <bonvinlab.support@uu.nl>"]
 license = "Apache-2.0"
@@ -19,7 +19,7 @@ classifiers = [
 
 [tool.poetry.dependencies]
 python = "^3.9"
-numpy = "^1.26.4"
+numpy = "^2"
 biopython = "^1.79"
 
 [tool.poetry.group.dev.dependencies]