diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index cd13f9b..c780ae8 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -13,10 +13,10 @@ on:
 jobs:
   build:
 
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: ['3.5', '3.6', '3.7', '3.8']
 
     steps:
     - uses: actions/checkout@v2
diff --git a/README.md b/README.md
index 982c4da..d50b53e 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,6 @@
 [![Python package](https://github.com/UUDigitalHumanitieslab/chamd/actions/workflows/python-package.yml/badge.svg?branch=develop)](https://github.com/UUDigitalHumanitieslab/chamd/actions/workflows/python-package.yml)
-
 [![Python package](https://badge.fury.io/py/chamd.svg)](https://pypi.python.org/pypi/chamd/)
-
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.8091301.svg)](https://doi.org/10.5281/zenodo.8091301)
 # CHAMD
 Conversion and cleaning of CHILDES CHA files into PaQu Plaintext
 Metadata Format (to convert to Alpino).
diff --git a/README.rst b/README.rst
deleted file mode 100644
index ea097d4..0000000
--- a/README.rst
+++ /dev/null
@@ -1,52 +0,0 @@
-[![Python package](https://github.com/UUDigitalHumanitieslab/chamd/actions/workflows/python-package.yml/badge.svg?branch=develop)](https://github.com/UUDigitalHumanitieslab/chamd/actions/workflows/python-package.yml)
-
-Conversion and cleaning of CHILDES CHA files into PaQu Plaintext
-Metadata Format (to convert to Alpino).
-
-`pypi chamd
-<https://pypi.org/project/chamd/>`_
-
-.. code:: bash
-
-   pip install chamd
-   chamd --help
-
-Running from project:
-
-.. code:: bash
-
-    python -m chamd --help
-
-Import as Library
-=================
-
-This way the library can be used to read CHAT file (contents) from an external application.
-
-.. code:: python
-
-    from chamd import ChatReader
-    reader = ChatReader()
-    chat = reader.read_file('example.cha') # or read_string
-    
-    for item in chat.metadata:
-        print(item)
-    for line in chat.lines:
-        for item in line.metadata:
-            print(item)
-        print(line.text)
-
-
-Upload to PyPi
-==============
-
-.. code:: bash
-
-   python setup.py sdist
-   twine upload dist/*
-
-Run Tests
-=========
-
-.. code:: bash
-
-    python -m unittest discover tests/
diff --git a/setup.py b/setup.py
index 9bbfd29..af03469 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 setup(
     name='chamd',
     python_requires='>=3.5, <4',
-    version='0.5.9',
+    version='0.5.10',
     description='Conversion and cleaning of CHILDES CHA files into PaQu Plaintext Metadata Format',
     long_description=long_description,
     author='Digital Humanities Lab, Utrecht University',