diff --git a/ng/iterative-retraining/requirements.txt b/ng/iterative-retraining/requirements.txt
index 2d9e143e..1587db8e 100644
--- a/ng/iterative-retraining/requirements.txt
+++ b/ng/iterative-retraining/requirements.txt
@@ -8,7 +8,7 @@ tqdm==4.46.1
 opencv_python_headless==4.2.0.34
 matplotlib==3.3.0
 statsmodels==0.11.1
-Pillow==7.2.0
+Pillow==9.0.0
 scikit_learn==0.23.2
 git+https://github.com/spencerng/albumentations
 gpustat