diff --git a/requirements.txt b/requirements.txt
index d149cf0..91b9bdf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ msgpack-python==0.5.6
 ndg-httpsclient==0.5.1
 numpy==1.16.3
 oauthlib==3.0.1
-Pillow==6.0.0
+Pillow==9.0.1
 pyasn1==0.4.5
 pycparser==2.19
 PyHamcrest==1.9.0