diff --git a/requirements.txt b/requirements.txt
index 407a722..0bf6aa1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,6 @@ coverage==5.3.1
 matplotlib==3.2.2
 cycler==0.10.0
 nose==1.3.7
-pytest==6.2.1
+pytest==9.0.3
 pytest-cov==2.10.1
 pytest-xdist==2.1.0