diff --git a/Project.toml b/Project.toml
index 74095301..b98184e6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -46,7 +46,7 @@ DimensionalData = "0.24, 0.25, 0.27, 0.29"
 Distributions = "0.25"
 DocStringExtensions = "0.9"
 InferenceObjects = "0.3, 0.4"
-JSON = "0.21"
+JSON = "0.21, 1"
 JSON3 = "1.12"
 MCMCChains = "5.6, 6"
 MonteCarloMeasurements = "1.0"