diff --git a/Simulator/PLASMA/requirements.txt b/Simulator/PLASMA/requirements.txt
index bb57568..f2b30c9 100644
--- a/Simulator/PLASMA/requirements.txt
+++ b/Simulator/PLASMA/requirements.txt
@@ -4,7 +4,7 @@ Flask-Restless==0.15.0
 Jinja2==2.7.3
 MarkupSafe==0.23
 PAM==0.4.2
-Pillow==2.3.0
+Pillow==9.0.1
 SQLAlchemy==0.9.7
 Twisted-Core==13.2.0
 Twisted-Web==13.2.0