diff --git a/benchmarks/AstroChem/Project.toml b/benchmarks/AstroChem/Project.toml
index ec8169ce5..82acaa1b2 100644
--- a/benchmarks/AstroChem/Project.toml
+++ b/benchmarks/AstroChem/Project.toml
@@ -15,3 +15,4 @@ Symbolics = "0c5d862f-8b57-4792-8d23-62f2024744c7"
 
 [compat]
 DiffEqDevTools = "2"
+OrdinaryDiffEq = "6"
\ No newline at end of file