diff --git a/requirements.txt b/requirements.txt
index c30b0ef24..b8bc6892a 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ gevent==1.2.2
 greenlet==0.4.13
 lxml==4.2.1
 odfpy==0.9.6
-Pillow==6.2.1
+Pillow==9.0.0
 py==1.4.18
 pyparsing==1.5.6
 pyPdf==1.12