diff --git a/test/Project.toml b/test/Project.toml
index 6ee8f02..d6c212c 100755
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -16,5 +16,5 @@ ControllerFormats = "0.2"
 IntervalConstraintProgramming = "0.9 - 0.13"
 LazySets = "3"
 Optim = "1"
-Polyhedra = "0.6 - 0.7"
+Polyhedra = "0.6 - 0.7, 0.8"
 ReachabilityAnalysis = "0.22 - 0.27"