diff --git a/setup.py b/setup.py
index 3eeda16d..56cc6ab7 100644
--- a/setup.py
+++ b/setup.py
@@ -3,11 +3,11 @@
 from setuptools import setup, find_packages
 
 setup(name='pyerrors',
-      version='1.0.1',
+      version='1.0.1_forked_JN',
       description='Error analysis for lattice QCD',
       author='Fabian Joswig',
       author_email='fabian.joswig@wwu.de',
       packages=find_packages(),
       python_requires='>=3.5.0',
-      install_requires=['numpy>=1.16', 'autograd>=1.2', 'numdifftools', 'matplotlib', 'scipy', 'iminuit']
+      install_requires=['numpy>=1.16', 'autograd>=1.2', 'numdifftools', 'matplotlib', 'scipy', 'iminuit','PySimpleGUI']
      )