diff --git a/JuliaBUGS/Project.toml b/JuliaBUGS/Project.toml
index 8077d3517..0716543a6 100644
--- a/JuliaBUGS/Project.toml
+++ b/JuliaBUGS/Project.toml
@@ -58,7 +58,7 @@ GLMakie = "0.10, 0.11, 0.12, 0.13"
 GraphMakie = "0.5, 0.6"
 GraphPlot = "0.6"
 Graphs = "1"
-JSON = "0.21"
+JSON = "0.21, 1"
 JuliaSyntax = "1"
 LinearAlgebra = "1.10"
 LogDensityProblems = "2"