diff --git a/core/Project.toml b/core/Project.toml
index 2e22edab1..a8010212a 100644
--- a/core/Project.toml
+++ b/core/Project.toml
@@ -56,7 +56,7 @@ DataFrames = "1.4"
 DataInterpolations = "4.4"
 DataStructures = "0.18"
 Dates = "<0.0.1,1"
-Dictionaries = "0.3.25"
+Dictionaries = "0.3.25, 0.4"
 DiffEqCallbacks = "2.29.1"
 Documenter = "0.27,1"
 EnumX = "1.0"