diff --git a/azure_webapp/requirements.txt b/azure_webapp/requirements.txt
index 2f61d17..5ba5254 100644
--- a/azure_webapp/requirements.txt
+++ b/azure_webapp/requirements.txt
@@ -8,7 +8,7 @@ MarkupSafe==1.1.1
 networkx==2.4
 numpy==1.18.4
 packaging==20.3
-Pillow==8.2.0
+Pillow==9.3.0
 pyparsing==2.4.7
 python-dateutil==2.8.1
 PyYAML==5.4