diff --git a/Project.toml b/Project.toml
index 32e714bd..a0963b79 100644
--- a/Project.toml
+++ b/Project.toml
@@ -36,7 +36,7 @@ BenchmarkTools = "1"
 ChainRulesCore = "1.26.1"
 EnumX = "1.0.5"
 FillArrays = "1.16.0"
-FindFirstFunctions = "2"
+FindFirstFunctions = "2, 3.0"
 FiniteDifferences = "0.12.31"
 ForwardDiff = "1"
 LinearAlgebra = "1.10"