diff --git a/Project.toml b/Project.toml
index 1fcfa51..2a71587 100644
--- a/Project.toml
+++ b/Project.toml
@@ -33,12 +33,12 @@ StanLogDensityProblemsExt = "StanLogDensityProblems"
 [compat]
 DifferentiationInterface = "0.6, 0.7"
 Distributions = "0.25"
-JSON = "0.18, 0.19, 0.20, 0.21"
+JSON = "0.18, 0.19, 0.20, 0.21, 1"
 LogDensityProblems = "2.1"
 LogExpFunctions = "0.3"
 Mooncake = "0.4"
 OrderedCollections = "1.8"
 OrdinaryDiffEq = "6.90"
-PosteriorDB = "0.5"
+PosteriorDB = "0.5, 0.6"
 StanLogDensityProblems = "0.1"
 julia = "1.10"