diff --git a/requirements.txt b/requirements.txt
index 71c5bee..1dd93f1 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ parsimonious==0.8.0
 parso==0.1.1
 pexpect==4.4.0
 pickleshare==0.7.4
-Pillow==5.0.0
+Pillow==9.0.0
 prompt-toolkit==1.0.15
 ptyprocess==0.5.2
 py-solc==3.1.0