diff --git a/Project.toml b/Project.toml
index 63f6d95..dd2504c 100644
--- a/Project.toml
+++ b/Project.toml
@@ -24,6 +24,7 @@ Zarr = "0a941bbe-ad1d-11e8-39d9-ab76183a1d99"
 
 [compat]
 DiskArrays = "0.3"
+Dagger = "0.18"
 Interpolations = "0.14"
 Ipopt = "1"
 OffsetArrays = "1"