diff --git a/IncrementalInference/Project.toml b/IncrementalInference/Project.toml
index 0515d176..3e4d55d2 100644
--- a/IncrementalInference/Project.toml
+++ b/IncrementalInference/Project.toml
@@ -100,7 +100,7 @@ Optim = "1"
 OrderedCollections = "1"
 PrecompileTools = "1"
 ProgressMeter = "1"
-RecursiveArrayTools = "3"
+RecursiveArrayTools = "3, 4"
 Reexport = "1"
 SparseDiffTools = "2"
 StaticArrays = "1"