diff --git a/Project.toml b/Project.toml
index 071f755..da17548 100644
--- a/Project.toml
+++ b/Project.toml
@@ -55,6 +55,7 @@ NearestNeighbors = "0.4.26"
 P4est_jll = "=2.8.1"
 Parameters = "0.12"
 PrecompileTools = "^1"
+PreferenceTools = "0.1"
 Preferences = "1.2"
 RecipesBase = "^1"
 Reexport = "^1"