diff --git a/expression_recognition/requirements.txt b/expression_recognition/requirements.txt
index c7fbdc4..c58dad6 100644
--- a/expression_recognition/requirements.txt
+++ b/expression_recognition/requirements.txt
@@ -50,7 +50,7 @@ pandocfilters==1.4.2
 parso==0.4.0
 pexpect==4.7.0
 pickleshare==0.7.5
-Pillow==6.0.0
+Pillow==9.0.0
 prometheus-client==0.7.1
 prompt-toolkit==2.0.9
 protobuf==3.8.0