diff --git a/Project.toml b/Project.toml
index fec3baf..c404cfe 100644
--- a/Project.toml
+++ b/Project.toml
@@ -18,5 +18,5 @@ EnumX = "1"
 NNlib = "0.8, 0.9"
 ProtoBuf = "1.0"
 StaticArrays = "1"
-Umlaut = "0.4, 0.5"
+Umlaut = "0.4, 0.5, 0.6"
 julia = "1.6"