diff --git a/requirements.txt b/requirements.txt
index 8b33298..1edfc5d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,5 +3,5 @@ h5py==2.10.0
 matplotlib==3.0.3
 numpy==1.17.2
 pandas==0.24.2
-Pillow==6.1.0
+Pillow==8.1.1
 scikit-learn==0.21.3