diff --git a/requirements.txt b/requirements.txt
index 58c2e30..74dfd1a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -7,7 +7,7 @@ matplotlib==3.1.1
 more-itertools==7.2.0
 numpy==1.17.2
 packaging==19.2
-Pillow==6.1.0
+Pillow==9.3.0
 pluggy==0.13.0
 py==1.8.0
 pyparsing==2.4.2