diff --git a/requirements.txt b/requirements.txt
index 3d3b3a7..d919fb0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,6 +5,7 @@ idna==3.4
 lxml==4.9.2
 numpy==1.24.1
 pandas==1.5.2
+Pillow==9.4.0
 python-dateutil==2.8.2
 pytz==2022.7
 requests==2.28.1