diff --git a/requirements.txt b/requirements.txt
index 3bc69b0..f068dcf 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 matplotlib==3.4.3
 networkx==2.7.1
 numpy==1.19.5
-Pillow==9.1.0
+Pillow==9.1.1
 scipy==1.7.0
\ No newline at end of file