diff --git a/requirements.3.9.txt b/requirements.3.9.txt
index 89895ce..1dc8418 100644
--- a/requirements.3.9.txt
+++ b/requirements.3.9.txt
@@ -11,7 +11,7 @@ lxml==4.6.3
 matplotlib==3.4.2
 numpy==1.20.3
 obspy==1.2.2
-Pillow==8.2.0
+Pillow==9.3.0
 pyparsing==2.4.7
 python-dateutil==2.8.1
 requests==2.25.1