diff --git a/requirements.txt b/requirements.txt
index ccd520a..08dd3af 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -31,7 +31,7 @@ pandas==0.23.4
 pandocfilters==1.4.2
 parso==0.3.1
 pickleshare==0.7.4
-Pillow==5.2.0
+Pillow==9.0.0
 prometheus-client==0.3.1
 prompt-toolkit==1.0.15
 Pygments==2.2.0