diff --git a/Project.toml b/Project.toml
index a345ca9..74bb3be 100644
--- a/Project.toml
+++ b/Project.toml
@@ -35,6 +35,7 @@ GeoInterface = "1"
 GeoStatsModels = "0.6"
 GeoStatsTransforms = "0.9"
 IterTools = "1"
+Makie = "0.21"
 PrecompileTools = "1"
 RecipesBase = "0.7, 0.8, 1.0"
 StaticArrays = "0.12, 1.0"