diff --git a/requirements.txt b/requirements.txt
index d6dfbff..9f894ec 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ kiwisolver==1.1.0
 matplotlib==3.1.1
 numpy==1.17.3
 parso==0.5.1
-Pillow==6.2.1
+Pillow==9.0.0
 py4j==0.10.7
 pyparsing==2.4.2
 pyspark==2.4.4