diff --git a/requirements.txt b/requirements.txt
index 88442f8..ac57d72 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -28,7 +28,7 @@ jsonfield==2.0.2
 Markdown==3.0.1
 odfpy==1.4.0
 openpyxl==2.6.0
-Pillow==5.4.1
+Pillow==9.0.1
 Pygments==2.3.1
 PyMySQL==0.9.3
 python-memcached==1.59