diff --git a/requirements.txt b/requirements.txt
index bfebcb1..69854fd 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 matplotlib==3.2.1
 sympy==1.6
-Pillow==7.1.2
\ No newline at end of file
+Pillow==9.0.1
\ No newline at end of file