diff --git a/requirements.txt b/requirements.txt
index 84c519d..14413c4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,4 +4,4 @@ pydantic==1.4
 pyyaml==5.3.1
 typing-extensions==3.7.4.2
 yamale==2.0.1
-zarr==2.4.0
+zarr==3.1.2