diff --git a/Project.toml b/Project.toml
index fd0d4b9..2262cd1 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,7 +18,7 @@ BFBEAST = ["BEAST"]
 
 [compat]
 BEAST = "2.8.0"
-
+H2Trees = "0.1"
 
 [extras]
 Aqua = "4c88cf16-eb10-579e-8560-4a9242c79595"
@@ -30,4 +30,4 @@ TestItemRunner = "f8b46487-2199-4994-9208-9a1283c18c0a"
 TestItems = "1c621080-faea-4a02-84b6-bbd5e436b8fe"
 
 [targets]
-test = ["Aqua", "LinearAlgebra", "JuliaFormatter", "OhMyThreads", "Test", "TestItemRunner", "TestItems"]
\ No newline at end of file
+test = ["Aqua", "LinearAlgebra", "JuliaFormatter", "OhMyThreads", "Test", "TestItemRunner", "TestItems"]