diff --git a/containers/ome-tiff-offsets/context/requirements-freeze.txt b/containers/ome-tiff-offsets/context/requirements-freeze.txt
index 41154c4..90512ba 100644
--- a/containers/ome-tiff-offsets/context/requirements-freeze.txt
+++ b/containers/ome-tiff-offsets/context/requirements-freeze.txt
@@ -13,7 +13,7 @@ kiwisolver==1.2.0
 matplotlib==3.2.1
 networkx==2.4
 numpy==1.18.2
-Pillow==7.1.1
+Pillow==9.0.0
 pycosat==0.6.3
 pycparser==2.19
 pyOpenSSL==19.0.0