diff --git a/flaskservice/requirements.txt b/flaskservice/requirements.txt
index 00ec441..2642ad9 100644
--- a/flaskservice/requirements.txt
+++ b/flaskservice/requirements.txt
@@ -29,7 +29,7 @@ nltk==3.4.5
 numpy==1.18.0
 oauthlib==3.1.0
 opt-einsum==3.1.0
-Pillow==7.0.0
+Pillow==9.0.0
 protobuf==3.11.2
 pyasn1==0.4.8
 pyasn1-modules==0.2.7