diff --git a/test/Project.toml b/test/Project.toml
index 0317977d4..d40cb8f39 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -24,6 +24,7 @@ Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 ReverseDiff = "37e2e3b7-166d-5795-8a7a-e32c996b4267"
 Serialization = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
+SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 StableRNGs = "860ef19b-820b-49d6-a774-d7a799459cd3"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
@@ -42,13 +43,14 @@ DistributionsAD = "0.6.3"
 Documenter = "1"
 EnzymeCore = "0.6 - 0.8"
 ForwardDiff = "0.10.12, 1"
-JET = "0.9 - 0.10.6"
+JET = "0.9, 0.10"
 LogDensityProblems = "2"
-MarginalLogDensities = "0.4"
 MCMCChains = "7.2.1"
 MacroTools = "0.5.6"
+MarginalLogDensities = "0.4"
 OrderedCollections = "1"
 ReverseDiff = "1"
+SpecialFunctions = "2.6.1"
 StableRNGs = "1"
 Zygote = "0.6, 0.7"
 julia = "1.10"