diff --git a/Project.toml b/Project.toml
index 6c903e4..5826e2e 100644
--- a/Project.toml
+++ b/Project.toml
@@ -30,7 +30,7 @@ MultivariateBases = "0.1.2"
 MultivariateMoments = "0.3"
 MultivariatePolynomials = "0.4"
 MutableArithmetics = "0.3"
-Polyhedra = "0.6.3"
+Polyhedra = "0.6.3, 0.7"
 RecipesBase = "0.7, 0.8, 1.0"
 Reexport = "0.2, 1.0"
 SumOfSquares = "0.5"