diff --git a/pyproject.toml b/pyproject.toml
index 9e707c7..7b1de69 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "ssm-simulators"
-version = "0.12.1"
+version = "0.12.2"
 description = "SSMS is a package collecting simulators and training data generators for cognitive science, neuroscience, and approximate bayesian computation"
 authors = [
     { name = "Alexander Fengler", email = "alexander_fengler@brown.edu" },
diff --git a/ssms/dataset_generators/lan_mlp.py b/ssms/dataset_generators/lan_mlp.py
index cf9d4b5..5abb644 100755
--- a/ssms/dataset_generators/lan_mlp.py
+++ b/ssms/dataset_generators/lan_mlp.py
@@ -20,7 +20,7 @@
     DataGenerationPipelineProtocol,
 )
 
-import pickle
+import cloudpickle as pickle
 import numpy as np
 import psutil
 from pathos.multiprocessing import ProcessingPool as Pool