diff --git a/requirements.txt b/requirements.txt
index bfc8747..2d8e84e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ lazy-object-proxy==1.3.1
 MarkupSafe==1.0
 mccabe==0.6.1
 numpy==1.15.3
-Pillow==5.3.0
+Pillow==9.3.0
 pommerman==0.2.0
 pyglet==1.3.2
 pylint==1.9.3