diff --git a/requirements.txt b/requirements.txt
index ebfd8de..087e485 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,7 +4,7 @@ importlib-metadata==0.18
 more-itertools==7.2.0
 numpy==1.17.0
 packaging==19.0
-Pillow==6.1.0
+Pillow==8.1.1
 pluggy==0.12.0
 py==1.8.0
 pyparsing==2.4.1.1