diff --git a/Project.toml b/Project.toml
index 9475a591..29c76cfd 100644
--- a/Project.toml
+++ b/Project.toml
@@ -45,6 +45,7 @@ Flatten = "0.4"
 GeoFormatTypes = "0.4"
 GeoInterface = "1"
 HDF5 = "0.14, 0.15, 0.16"
+ImageCore = "<1.0"
 Missings = "0.4, 1"
 NCDatasets = "0.10, 0.11, 0.12"
 PolygonInbounds = "0.2.0"