diff --git a/README.md b/README.md
index 5bed276d..721ee96c 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![flake8 Lint](https://github.com/fjosw/pyerrors/actions/workflows/flake8.yml/badge.svg)](https://github.com/fjosw/pyerrors/actions/workflows/flake8.yml) [![CI](https://github.com/fjosw/pyerrors/actions/workflows/CI.yml/badge.svg)](https://github.com/fjosw/pyerrors/actions/workflows/CI.yml)
+[![flake8 Lint](https://github.com/fjosw/pyerrors/actions/workflows/flake8.yml/badge.svg)](https://github.com/fjosw/pyerrors/actions/workflows/flake8.yml) [![CI](https://github.com/fjosw/pyerrors/actions/workflows/CI.yml/badge.svg)](https://github.com/fjosw/pyerrors/actions/workflows/CI.yml)[![](https://img.shields.io/badge/python-3.4+-blue.svg)]
 # pyerrors
 pyerrors is a python package for error computation and propagation of Markov Chain Monte Carlo data.
 It is based on the gamma method [arXiv:hep-lat/0306017](https://arxiv.org/abs/hep-lat/0306017). Some of its features are:
@@ -16,18 +16,11 @@ There exist similar implementations of gamma method error analysis suites in
 - [Python 3](https://github.com/mbruno46/pyobs)
 
 ## Installation
-pyerrors requires python versions >= 3.5.0
-
 Install the package for the local user:
 ```bash
 pip install . --user
 ```
 
-Run tests to verify the installation:
-```bash
-pytest .
-```
-
 ## Usage
 The basic objects of a pyerrors analysis are instances of the class `Obs`. They can be initialized with an array of Monte Carlo data (e.g. `samples1`) and a name for the given ensemble (e.g. `'ensemble1'`). The `gamma_method` can then be used to compute the statistical error, taking into account autocorrelations. The `print` method  outputs a human readable result.
 ```python