diff --git a/requirements.txt b/requirements.txt
index 1e0e372..71bcb23 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ kiwisolver==1.1.0
 matplotlib==2.2.4
 numpy==1.15.4
 pandas==0.24.2
-Pillow==5.3.0
+Pillow==9.3.0
 protobuf==3.6.1
 pycrypto==2.6.1
 pydensecrf==1.0rc2