diff --git a/requirements.txt b/requirements.txt
index 9189348..050b399 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
-Pillow==5.1.0
+Pillow==9.3.0
 matplotlib==2.1.2
 scipy==1.0.1
\ No newline at end of file