diff --git a/Project.toml b/Project.toml
index fa60f76..817b37b 100644
--- a/Project.toml
+++ b/Project.toml
@@ -20,6 +20,6 @@ OrdinaryDiffEq = "6"
 PGFPlotsX = "1"
 Plots = "1"
 PyPlot = "2"
-Trixi = "0.4"
+Trixi = "0.4, 0.5"
 Trixi2Vtk = "0.3"
 julia = "1.7"