diff --git a/Project.toml b/Project.toml
index be08f5e..d979e70 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,6 +33,7 @@ MultiScaleTreeGraph = "0.14"
 Observables = "0.5"
 RecipesBase = "1"
 StaticArrays = "1"
+TransformsBase = "1"
 julia = "1.9"
 
 [extras]