diff --git a/Project.toml b/Project.toml
index 3a7ba816..2a403342 100644
--- a/Project.toml
+++ b/Project.toml
@@ -46,6 +46,7 @@ Adapt = "4.1.1"
 Aqua = "0.8.7"
 ArrayInterface = "7.17"
 BandedMatrices = "1.7.5"
+BoundaryValueDiffEqAscher = "1"
 BoundaryValueDiffEqCore = "1.1"
 BoundaryValueDiffEqFIRK = "1.1"
 BoundaryValueDiffEqMIRK = "1.1"