diff --git a/mycroft-core/doc/requirements.txt b/mycroft-core/doc/requirements.txt
index c05a26c..7759292 100644
--- a/mycroft-core/doc/requirements.txt
+++ b/mycroft-core/doc/requirements.txt
@@ -30,7 +30,7 @@ wifi==0.3.8
 pyric==0.1.6
 inflection==0.3.1
 pytz==2017.2
-pillow==4.1.1
+pillow==9.0.0
 python-dateutil==2.6.0
 pychromecast==0.7.7
 python-vlc==1.1.2