diff --git a/requirements.txt b/requirements.txt
index f99b13e..f2be907 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ matplotlib==3.5.2
 numpy==1.23.1
 pandas==1.5.2
 pycox==0.2.3
-pytest==7.4.0
+pytest==9.0.3
 PyYAML==6.0.1
 scikit_learn==1.3.0
 scikit_survival==0.19.0