diff --git a/README.md b/README.md
index 1b6b2f8..71bd41b 100644
--- a/README.md
+++ b/README.md
@@ -1,13 +1,13 @@
 # pandoc-beamer-block
-[![Build Status](https://img.shields.io/travis/chdemko/pandoc-beamer-block/develop.svg?logo=travis)](https://travis-ci.org/chdemko/pandoc-beamer-block/branches)
-[![Coveralls](https://img.shields.io/coveralls/github/chdemko/pandoc-beamer-block/develop.svg?logo=Codecov&logoColor=white)](https://coveralls.io/github/chdemko/pandoc-beamer-block?branch=develop)
+[![Build Status](https://img.shields.io/travis/chdemko/pandoc-beamer-block/0.2.0.svg?logo=travis)](https://travis-ci.org/chdemko/pandoc-beamer-block/branches)
+[![Coveralls](https://img.shields.io/coveralls/github/chdemko/pandoc-beamer-block/0.2.0.svg?logo=Codecov&logoColor=white)](https://coveralls.io/github/chdemko/pandoc-beamer-block?branch=0.2.0)
 [![Code Climate](https://codeclimate.com/github/chdemko/pandoc-beamer-block/badges/gpa.svg)](https://codeclimate.com/github/chdemko/pandoc-beamer-block/)
 [![Code Beat](https://codebeat.co/badges/cb5538dc-f30b-4ac4-abf6-3c213682c54d)](https://codebeat.co/projects/github.aaakk.us.kg-chdemko-pandoc-beamer-block-develop/)
 [![Codacy](https://img.shields.io/codacy/grade/af5a670790264990811713280a8f8dcf.svg?logo=codacy&logoColor=white)](https://www.codacy.com/app/chdemko/pandoc-beamer-block)
 [![CodeFactor](https://www.codefactor.io/repository/github/chdemko/pandoc-beamer-block/badge)](https://www.codefactor.io/repository/github/chdemko/pandoc-beamer-block)
 [![PyPI version](https://img.shields.io/pypi/v/pandoc-beamer-block.svg?logo=Python&logoColor=white)](https://pypi.org/project/pandoc-beamer-block/)
 [![PyPI format](https://img.shields.io/pypi/format/pandoc-beamer-block.svg?logo=data:image/png;base64,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)](https://pypi.org/project/pandoc-beamer-block/)
-[![License](https://img.shields.io/pypi/l/pandoc-beamer-block.svg?logo=data:image/png;base64,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)](https://raw.githubusercontent.com/chdemko/pandoc-beamer-block/develop/LICENSE)
+[![License](https://img.shields.io/pypi/l/pandoc-beamer-block.svg?logo=data:image/png;base64,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)](https://raw.githubusercontent.com/chdemko/pandoc-beamer-block/0.2.0/LICENSE)
 [![Python version](https://img.shields.io/pypi/pyversions/pandoc-beamer-block.svg?logo=Python&logoColor=white)](https://pypi.org/project/pandoc-beamer-block/)
 [![Downloads](https://pepy.tech/badge/pandoc-beamer-block)](https://pepy.tech/project/pandoc-beamer-block)
 [![Development Status](https://img.shields.io/pypi/status/pandoc-beamer-block.svg?logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAIAAAACACAYAAADDPmHLAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAA3XAAAN1wFCKJt4AAAAB3RJTUUH4gwPFiUnX5lXMAAAAlBJREFUeNrt3b1qlEEUBuB3TNDCP7wDOwv/cgv+pDC3YcDe+xBFFFLoDWhhpxiD12Ch1mJsg7irjRLGYjcKEbLC92n223meMgQSzrx7Zs6wMAkAAAAAAAAAAAAAAAAAAAAw78r+H9RaLyZZT3Itydkkx5XpUH1L8iHJVpJHpZS3/yQAtdZjSe4muZXkiLrPpd0kG0lul1K+9xaA6eK/SHJFjQfhdZIbfYRg75N+z+IPytUkd3rpANM9/422P8jt4HIp5V3XDrBu8QdpKcnNPraA62o5WKt9bAHjJCfUcpDGpZRTXQNQ1fGAApVSDvPvz1qfrv+fvb9xAiAACACDVf80qrU+q7Wecwhs4BB4gM+ZXBRt6wBtOpO/uC7WARa3AyTJqJRyWgdo18xLIgEwBSAACABt3hOYAhZ7Cph9TyAAzQYgSZ4KQNsBGAlA2wFwCDQFIAAIAAKAACAACAACgAAgAAgAAoAAIAAIAIvniwC07aVvBM2wwN8I2kmyogO0Z5TkSZKVUsqnZfVou4PpAKYABAABYDHnfAFofM6feUh0D7Cw9wA7e6OeDtDwnD/rl90DNN6hdABTAAJAs5aTjJOcVIreT+H/68DXuQNsW+bB+thHAF6p42Btdp4iaq0XMnk2bkk9B2U3yaVSyvtOHWD6Fu2Geg7Ow66Ln/x+OvZokueZPBjN/NtKslZK+dHLGDh9g3YtyYNpa2F+2/79vhb/VwfYN/acz+RFytVMno/3puDh+prJ8/GbSR730fYBAAAAAAAAAAAAAAAAAACAYfkJuHbYr8dtGYwAAAAASUVORK5CYII=)](https://pypi.org/project/pandoc-beamer-block/)
@@ -21,7 +21,7 @@
 Documentation
 -------------
 
-See the [Read the docs pages](http://pandoc-beamer-block.readthedocs.io/en/latest/).
+See the [Read the docs pages](http://pandoc-beamer-block.readthedocs.io/en/0.2.0/).
 
 Usage
 -----