diff --git a/Project.toml b/Project.toml
index 38f21fe..38ae3c1 100644
--- a/Project.toml
+++ b/Project.toml
@@ -25,6 +25,7 @@ Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 [compat]
 AbstractCosmologicalEmulators = "0.6"
 DataInterpolations = "6, 6.6"
+OrdinaryDiffEqTsit5 = "1"
 Integrals = "4"
 JSON = "0.21"
 FastGaussQuadrature = "1"