diff --git a/requirements.txt b/requirements.txt
index 88cbfb7..302b45c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ tqdm==4.46.0
 matplotlib==3.2.1
 mpi4py==3.0.3
 numpy==1.18.4
-Pillow==5.4.1
+Pillow==8.1.1
 baselines==0.1.5
 scikit-image==0.14.2
 scikit_learn