diff --git a/requirements.txt b/requirements.txt
index 162e639..a791009 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ gunicorn==19.7.1
 idna==2.6
 oauthlib==2.0.4
 olefile==0.44
-Pillow==4.2.1
+Pillow==8.1.1
 PyJWT==1.5.3
 python3-openid==3.1.0
 pytz==2017.2