diff --git a/requirements.txt b/requirements.txt
index 7c397ed..224cf40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ matplotlib==3.3.3
 networkx==2.5
 numpy==1.19.4
 opencv-python==3.2.0.8
-Pillow==2.2.2
+Pillow==8.1.1
 pkg-resources==0.0.0
 pyparsing==2.4.7
 python-dateutil==2.8.1