diff --git a/Project.toml b/Project.toml
index cd8a974..f1842b8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -10,6 +10,8 @@ Requires = "ae029012-a4dd-5104-9daa-d747884805df"
 
 [compat]
 julia = "^1"
+DataStructures = "0.17"
+Requires = "1"
 
 [extras]
 ArchGDAL = "c9ce4bd3-c3d5-55b8-8973-c0e20141b8c3"