diff --git a/Project.toml b/Project.toml
index b52954a0..651b3cdf 100644
--- a/Project.toml
+++ b/Project.toml
@@ -17,6 +17,7 @@ SparseArrays = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
 [compat]
 CEnum = "0.4"
 ChainRulesCore = "0.10"
+FiniteDifferences = "0.12"
 MacroTools = "0.5"
 SSGraphBLAS_jll = "5.1"
 julia = "1.6"