diff --git a/requirements.txt b/requirements.txt
index 7f228bc..7cf7152 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -5,7 +5,7 @@ kiwisolver==1.1.0
 matplotlib==3.1.1
 networkx==2.4
 numpy==1.17.3
-Pillow==6.2.1
+Pillow==9.3.0
 pyparsing==2.4.2
 python-dateutil==2.8.0
 PyWavelets==1.1.1