diff --git a/README.md b/README.md
index 67d59be0..e1f124ca 100644
--- a/README.md
+++ b/README.md
@@ -8,11 +8,12 @@
 - **Bug reports:** https://github.com/fjosw/pyerrors/issues
 
 ## Installation
-To install the current `develop` version run
+To install the most recent release run
+```bash
+pip install pyerrors     # Fresh install
+pip install -U pyerrors  # Upgrade
+```
+to install the current `develop` version run
 ```bash
 pip install git+https://github.com/fjosw/pyerrors.git@develop
 ```
-to install the most recent release run
-```bash
-pip install git+https://github.com/fjosw/pyerrors.git@master
-```
diff --git a/pyerrors/input/json.py b/pyerrors/input/json.py
index ac7963cc..31639287 100644
--- a/pyerrors/input/json.py
+++ b/pyerrors/input/json.py
@@ -165,7 +165,7 @@ def create_json_string(ol, description='', indent=1):
 
     d = {}
     d['program'] = 'pyerrors %s' % (pyerrorsversion.__version__)
-    d['version'] = '1.0'
+    d['version'] = '1.1'
     d['who'] = getpass.getuser()
     d['date'] = datetime.datetime.now().astimezone().strftime('%Y-%m-%d %H:%M:%S %z')
     d['host'] = socket.gethostname() + ', ' + platform.platform()
diff --git a/setup.py b/setup.py
index bc4533ef..ef3fb3f8 100644
--- a/setup.py
+++ b/setup.py
@@ -8,9 +8,22 @@ setup(name='pyerrors',
       description='Error analysis for lattice QCD',
       long_description=long_description,
       long_description_content_type='text/markdown',
+      url="https://github.com/fjosw/pyerrors",
       author='Fabian Joswig',
       author_email='fabian.joswig@ed.ac.uk',
+      license="MIT",
       packages=find_packages(),
       python_requires='>=3.6.0',
-      install_requires=['numpy>=1.16', 'autograd>=1.4', 'numdifftools', 'matplotlib>=3.3', 'scipy', 'iminuit>=2', 'h5py', 'lxml', 'python-rapidjson']
+      install_requires=['numpy>=1.16', 'autograd>=1.4', 'numdifftools', 'matplotlib>=3.3', 'scipy', 'iminuit>=2', 'h5py', 'lxml', 'python-rapidjson'],
+      classifiers=[
+          'Development Status :: 5 - Production/Stable',
+          'Intended Audience :: Science/Research',
+          'License :: OSI Approved :: MIT License',
+          'Programming Language :: Python :: 3',
+          'Programming Language :: Python :: 3.7',
+          'Programming Language :: Python :: 3.8',
+          'Programming Language :: Python :: 3.9',
+          'Programming Language :: Python :: 3.10',
+          'Topic :: Scientific/Engineering'
+      ],
      )