diff --git a/requirements.txt b/requirements.txt
index cae1362..bb33b32 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ networkx==2.3
 numpy==1.17.0
 packaging==19.1
 pandas==0.25.0
-Pillow==6.1.0
+Pillow==8.1.1
 pylint==2.3.1
 pyparsing==2.4.2
 pyproj==2.3.0