diff --git a/Project.toml b/Project.toml
index 83af9f5..02e1e5c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -24,6 +24,7 @@ Zarr = "0a941bbe-ad1d-11e8-39d9-ab76183a1d99"
 
 [compat]
 Interpolations = "0.14"
+Zarr = "0.9"
 julia = "1"
 
 [extras]