diff --git a/Project.toml b/Project.toml
index ba6f41f..51459a4 100644
--- a/Project.toml
+++ b/Project.toml
@@ -27,7 +27,7 @@ ValueShapes = "136a8f8c-c49b-4edb-8b98-f3d64d48be8f"
 
 [compat]
 ArraysOfArrays = "0.4, 0.5"
-BAT = "3"
+BAT = "3, 2"
 CPUTime = "1"
 DocStringExtensions = "0.8"
 IntervalSets = "0.5, 0.6"