diff --git a/requirements.txt b/requirements.txt
index 5fbfdac..5ab3274 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -45,7 +45,7 @@ opt-einsum==3.1.0
 packaging==19.2
 pandas==0.24.2
 pathlib2==2.3.5
-Pillow==6.2.1
+Pillow==9.0.1
 pluggy==0.13.0
 protobuf==3.10.0
 py==1.8.0