diff --git a/pytest/requirements.txt b/pytest/requirements.txt
index c84e1cf4..cb8dcaeb 100644
--- a/pytest/requirements.txt
+++ b/pytest/requirements.txt
@@ -2,7 +2,7 @@ attrs==20.3.0
 iniconfig==1.1.1
 numpy==1.19.4
 packaging==20.4
-Pillow==8.3.2
+Pillow==9.0.1
 pluggy==0.13.1
 py==1.10.0
 pyparsing==2.4.7