diff --git a/docs/requirements.txt b/docs/requirements.txt
index 142ccaf..08a6054 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -11,7 +11,7 @@ termcolor
 yacs
 tabulate
 cloudpickle
-Pillow==7.1.0
+Pillow==8.1.1
 future
 requests
 six