diff --git a/Group_4/XGBOOST/requirements.txt b/Group_4/XGBOOST/requirements.txt
index 71b59d5f1..a36c060be 100644
--- a/Group_4/XGBOOST/requirements.txt
+++ b/Group_4/XGBOOST/requirements.txt
@@ -4,5 +4,5 @@ scipy==0.19.0
 librosa==0.5.1
 tqdm==4.19.1
 scipy==0.19.0
-Pillow==6.2.0
+Pillow==8.1.1