diff --git a/requirements.txt b/requirements.txt
index 8f5ee72..e52c4f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -27,7 +27,7 @@ msgpack==0.6.1
 numpy==1.17.2
 oauth2client==3.0.0
 pandas==1.0.1
-Pillow==5.2.0
+Pillow==9.0.1
 protobuf==3.6.1
 pyasn1==0.4.4
 pyasn1-modules==0.2.2