diff --git a/requirements.txt b/requirements.txt
index 43da564..87283e0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,3 @@
 tifftools == 1.3.12
-ome-types == 0.4.1
+ome-types == 0.4.2
 synapseclient == 2.7.2