diff --git a/Project.toml b/Project.toml
index e7d0c0c..d2aeb58 100644
--- a/Project.toml
+++ b/Project.toml
@@ -23,6 +23,7 @@ StatsBase = "2913bbd2-ae8a-5f71-8c99-4fb6c76f3a91"
 Zarr = "0a941bbe-ad1d-11e8-39d9-ab76183a1d99"
 
 [compat]
+DiskArrays = "0.3"
 Interpolations = "0.14"
 Optimization = "3"
 StatsBase = "0.34"