diff --git a/requirements.txt b/requirements.txt
index 955694a..f5f8130 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -22,7 +22,7 @@ matplotlib==3.0.2
 networkx==2.2
 numpy==1.15.4
 opencv-python==4.0.0.21
-Pillow==6.2.0
+Pillow==9.0.1
 pkg-resources==0.0.0
 protobuf==3.6.1
 pydensecrf==1.0rc2