diff --git a/py02/ex01/requirements.txt b/py02/ex01/requirements.txt
index 05cc581..0e4b952 100644
--- a/py02/ex01/requirements.txt
+++ b/py02/ex01/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==3.9.2
 numpy==2.1.2
 pandas==2.2.3
-pytest==8.3.3
+pytest==9.0.3
 seaborn==0.13.2