diff --git a/Project.toml b/Project.toml
index aa268dc..d315616 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ArrayUtil"
 uuid = "53cd29f2-c28d-11e9-1567-bd5452eeb1a0"
 authors = ["John Tinnerholm <johti17@liu.se>"]
-version = "0.3.3"
+version = "0.3.4"
 
 [deps]
 ExportAll = "ad2082ca-a69e-11e9-38fa-e96309a31fe4"
@@ -10,7 +10,7 @@ MetaModelica = "9d7f2a79-07b5-5542-8b19-c0100dda6b06"
 
 [compat]
 julia = "1.13"
-ImmutableList = "0.4.2, 0.5"
+ImmutableList = "0.4.2, 0.5, 0.6"
 MetaModelica = "0.4.2, 0.5"
 
 [extras]