diff --git a/requirements.txt b/requirements.txt
index 0be7eb3..b46807d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ h5py==2.10.0
 hyperspy==1.5.2
 numpy==1.17.3
 pandas==0.25.3
-pillow==6.2.1
+pillow==9.3.0
 pint==0.9
 pyside2==5.14.1
 scipy==1.3.1