diff --git a/requirements.txt b/requirements.txt
index ac60a84..2c981b9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,7 +8,7 @@ numpy==1.17.2
 opencv-python-headless==4.1.1.26
 optuna==0.17.1
 pandas==0.25.1
-Pillow==6.2.0
+Pillow==9.3.0
 protobuf==3.10.0
 scikit-learn==0.21.3
 scipy==1.3.1