diff --git a/Project.toml b/Project.toml
index 563a433..7f04e92 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "SpinGlassNetworks"
 uuid = "b7f6bd3e-55dc-4da6-96a9-ef9dbec6ac19"
 authors = ["Anna Maria Dziubyna <annamariadziubyna@gmail.com>", "Tomasz Śmierzchalski <smierzchalski.tomek@gmail.com>", "Bartłomiej Gardas <bartek.gardas@gmail.com>", "Konrad Jałowiecki <dexter2206@gmail.com>", "Łukasz Pawela <lukasz.pawela@gmail.com>", "Marek M. Rams <marekrams@gmail.com>"]
-version = "1.3.0"
+version = "1.3.1"
 
 [deps]
 CSV = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
diff --git a/src/SpinGlassNetworks.jl b/src/SpinGlassNetworks.jl
index 4ecc7ec..9272a37 100644
--- a/src/SpinGlassNetworks.jl
+++ b/src/SpinGlassNetworks.jl
@@ -9,6 +9,7 @@ using Base.Cartesian
 using SparseArrays
 using CUDA, CUDA.CUSPARSE
 using SpinGlassTensors
+using JLD2
 import Base.Prehashed