diff --git a/julia/main.jl b/julia/main.jl
index 80545b7..a15262b 100644
--- a/julia/main.jl
+++ b/julia/main.jl
@@ -1,6 +1,6 @@
 include("PolyCube.jl")
 
-import Json: json
+import JSON: json
 
 function main(maxsize::int)
     root_pcube = PolyCube([(0, 0, 0)], [(0, 0, 0)])