diff --git a/mesa/batchrunner.py b/mesa/batchrunner.py
index 80ba23cafdf..e34193c3fd7 100644
--- a/mesa/batchrunner.py
+++ b/mesa/batchrunner.py
@@ -1,4 +1,5 @@
 import itertools
+import multiprocessing
 from collections.abc import Iterable, Mapping
 from functools import partial
 from multiprocessing import Pool
@@ -8,6 +9,8 @@
 
 from mesa.model import Model
 
+multiprocessing.set_start_method("spawn", force=True)
+
 
 def batch_run(
     model_cls: type[Model],
diff --git a/pyproject.toml b/pyproject.toml
index ee2dec72631..854d5a3af61 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -28,6 +28,7 @@ classifiers = [
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
+  "Programming Language :: Python :: 3.13",
   "License :: OSI Approved :: Apache Software License",
   "Operating System :: OS Independent",
   "Development Status :: 3 - Alpha",