diff --git a/requirements.txt b/requirements.txt
index 2d67f24..67773dd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ packaging==18.0
 pandocfilters==1.4.2
 parso==0.3.1
 pickleshare==0.7.5
-Pillow==5.3.0
+Pillow==9.0.1
 prometheus-client==0.4.2
 prompt-toolkit==2.0.6
 Pygments==2.2.0