diff --git a/requirements.txt b/requirements.txt
index e59d5de..6f22a51 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -10,7 +10,7 @@ networkx==2.5
 numba==0.52.0
 numpy==1.19.5
 opencv-python==4.5.1.48
-Pillow==8.1.0
+Pillow==9.0.0
 pyparsing==2.4.7
 python-dateutil==2.8.1
 PyWavelets==1.1.1