diff --git a/pyproject.toml b/pyproject.toml
index d6b2a61..1025182 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -16,7 +16,7 @@ license = "Apache License 2.0"
 python = ">=3.8, <3.12"
 scikit-learn = ">=1.0.2"
 numpy = ">=1.21.2"
-scipy = "1.8.1"
+scipy = "1.11.3"
 tqdm = ">=4.3"
 lifelines = ">=0.25"