diff --git a/Project.toml b/Project.toml
index 9c5e50b..6a1dc9b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -12,7 +12,7 @@ ZygoteRules = "700de1a5-db45-46bc-99cf-38207098b444"
 
 [compat]
 ForwardDiff = "0.10, 1"
-JuliennedArrays = "0.3"
+JuliennedArrays = "0.3, 0.4"
 StaticArrays = "1.0"
 Tracker = "0.2"
 Zygote = "0.6, 0.7"