diff --git a/test/Project.toml b/test/Project.toml
index 41019f9..f8eb4a3 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -41,7 +41,7 @@ JET = "0.9, 0.10, 0.11"
 KrylovKit = "0.10.2"
 LinearAlgebra = "1"
 NLsolve = "4.5.1"
-Optim = "1.12.0"
+Optim = "1.12.0, 2.0"
 Random = "1"
 SparseArrays = "1"
 StaticArrays = "1.9.13"