diff --git a/Project.toml b/Project.toml
index d9c6e7eb..166915ac 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,7 +17,7 @@ StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 GenericLinearAlgebra = "0.2"
 GeometryBasics = "0.2, 0.3, 0.4"
 JuMP = "0.22"
-MutableArithmetics = "0.3"
+MutableArithmetics = "0.3, 1"
 RecipesBase = "0.7, 0.8, 1.0"
 StaticArrays = "0.12, 1.0"
 julia = "1"