diff --git a/requirements.txt b/requirements.txt
index 17c3af6..0babe18 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -66,7 +66,7 @@ pandocfilters==1.4.2
 parso==0.3.1
 patsy==0.5.1
 pickleshare==0.7.5
-Pillow==5.4.1
+Pillow==9.0.1
 prometheus-client==0.5.0
 prompt-toolkit==2.0.7
 protobuf==3.6.1