diff --git a/HiCALWeb/requirements/base.txt b/HiCALWeb/requirements/base.txt
index c4ec826..f356699 100644
--- a/HiCALWeb/requirements/base.txt
+++ b/HiCALWeb/requirements/base.txt
@@ -21,7 +21,7 @@ django-crispy-forms==1.9.1
 django-model-utils==3.0.0
 
 # Images
-Pillow==4.1.1
+Pillow==9.0.1
 
 # Password storage
 argon2-cffi==16.3.0