diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5805dda..0a2b644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ pandocfilters==1.4.2
 parso==0.3.2
 pexpect==4.6.0
 pickleshare==0.7.5
-Pillow==5.4.1
+Pillow==9.0.1
 pkg-resources==0.0.0
 plotly==3.5.0
 prometheus-client==0.5.0