diff --git a/requirements.txt b/requirements.txt
index 7746c4a..ef4e928 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -33,7 +33,7 @@ networkx==2.3
 numpy==1.17.0
 opencv-python==4.1.0.25
 parso==0.5.1
-Pillow==6.1.0
+Pillow==9.0.0
 pycodestyle==2.5.0
 pycparser==2.19
 pyflakes==2.1.1