diff --git a/Project.toml b/Project.toml
index 37fc625..0be6ff8 100644
--- a/Project.toml
+++ b/Project.toml
@@ -31,6 +31,7 @@ Extents = "0.1.5"
 GeometryBasics = "0.5.9"
 Infiltrator = "1.8.8"
 OrderedCollections = "1.8.1"
+Proj = "1"
 StaticArrays = "1.9.13"
 julia = "1.6.7"