diff --git a/DifferentiationInterfaceTest/Project.toml b/DifferentiationInterfaceTest/Project.toml
index 2b71a0062..8cb7764d2 100644
--- a/DifferentiationInterfaceTest/Project.toml
+++ b/DifferentiationInterfaceTest/Project.toml
@@ -40,7 +40,7 @@ ComponentArrays = "0.15"
 DataFrames = "1.6.1"
 DifferentiationInterface = "0.5.6"
 DocStringExtensions = "0.9"
-Flux = "0.14"
+Flux = "0.13,0.14"
 FiniteDifferences = "0.12"
 Functors = "0.4"
 JET = "0.4 - 0.8, 0.9"