diff --git a/requirements.txt b/requirements.txt
index 8df6097..692f4b1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -34,7 +34,7 @@ mypy-extensions==0.4.1
 odfpy==1.4.0
 olefile==0.46
 openpyxl==2.6.2
-Pillow==4.2.1
+Pillow==9.3.0
 PyJWT==1.7.1
 pytest-runner==4.4
 python-dateutil==2.8.0