diff --git a/docs/Project.toml b/docs/Project.toml
index c5a17ef65e..c1c8c4ba33 100644
--- a/docs/Project.toml
+++ b/docs/Project.toml
@@ -76,7 +76,7 @@ OptimizationNLopt = "0.3"
 OptimizationOptimJL = "0.4"
 OptimizationOptimisers = "0.3"
 OrdinaryDiffEqBDF = "1"
-OrdinaryDiffEqDefault = "1"
+OrdinaryDiffEqDefault = "1, 2"
 OrdinaryDiffEqRosenbrock = "1"
 OrdinaryDiffEqSDIRK = "1"
 OrdinaryDiffEqTsit5 = "1"