diff --git a/PyStationB/libraries/Utilities/requirements.txt b/PyStationB/libraries/Utilities/requirements.txt
index 8dc39c7..0d02832 100644
--- a/PyStationB/libraries/Utilities/requirements.txt
+++ b/PyStationB/libraries/Utilities/requirements.txt
@@ -1,3 +1,3 @@
 matplotlib==3.4.2
 numpy==1.21.1
-Pillow==8.3.2
+Pillow==9.0.1