diff --git a/Project.toml b/Project.toml
index 3a4915a1..df531576 100644
--- a/Project.toml
+++ b/Project.toml
@@ -46,6 +46,6 @@ SimpleUnPack = "1.1"
 SparseArrays = "1"
 StaticArrays = "1.9.8"
 SummationByPartsOperators = "0.5.79"
-TimerOutputs = "0.5.25"
+TimerOutputs = "0.5.25, 1"
 TrixiBase = "0.1.6"
 julia = "1.10"