diff --git a/requirements.txt b/requirements.txt
index e18b4e8..2c85c8b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ chardet==3.0.4
 idna==2.8
 numpy==1.15.4
 pandas==0.23.4
-Pillow==6.2.2
+Pillow==9.0.1
 pykew==0.1.3
 PyMuPDF==1.17.3
 PyQt5==5.11.3