diff --git a/requirements.txt b/requirements.txt
index 06fa17e..8cf9ed6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -25,7 +25,7 @@ Mako==1.1.2
 MarkupSafe==1.1.1
 mccabe==0.6.1
 oic==0.11.0.1
-Pillow==8.1.1
+Pillow==9.0.1
 pyasn1==0.4.8
 pyasn1-modules==0.2.8
 pycparser==2.20