diff --git a/requirements.txt b/requirements.txt
index bee0f1e..bcaa458 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ lazy-object-proxy==1.3.1
 lint==1.2.1
 mccabe==0.6.1
 numpy==1.16.2
-Pillow==5.4.1
+Pillow==9.3.0
 pycodestyle==2.5.0
 pyflakes==2.1.1
 pylint==2.3.1