diff --git a/README.md b/README.md
index 8d10bcd..d4663a5 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,9 @@
-[![Licence](https://img.shields.io/badge/License-MIT-9cf.svg?style=flat-square)](https://choosealicense.com/licenses/mit/)
-[![Test](https://img.shields.io/github/actions/workflow/status/akikuno/cstag/pytest.yml?branch=main&label=Test&color=brightgreen&style=flat-square)](https://github.com/akikuno/cstag/actions)
-[![Python](https://img.shields.io/pypi/pyversions/cstag.svg?label=Python&color=blue&style=flat-square)](https://pypi.org/project/cstag/)
-[![PyPI](https://img.shields.io/pypi/v/cstag.svg?label=PyPI&color=orange&style=flat-square)](https://pypi.org/project/cstag/)
-[![Bioconda](https://img.shields.io/conda/v/bioconda/cstag?label=Bioconda&color=orange&style=flat-square)](https://anaconda.org/bioconda/cstag)
-[![DOI](https://img.shields.io/badge/DOI-10.5281/zenodo.8312113-green.svg?style=flat-square)](https://zenodo.org/badge/latestdoi/468937655)
+[![Licence](https://img.shields.io/badge/License-MIT-9cf.svg)](https://choosealicense.com/licenses/mit/)
+[![Test](https://img.shields.io/github/actions/workflow/status/akikuno/cstag/pytest.yml?branch=main&label=Test&color=brightgreen)](https://github.com/akikuno/cstag/actions)
+[![Python](https://img.shields.io/pypi/pyversions/cstag.svg?label=Python&color=blue)](https://pypi.org/project/cstag/)
+[![PyPI](https://img.shields.io/pypi/v/cstag.svg?label=PyPI&color=orange)](https://pypi.org/project/cstag/)
+[![Bioconda](https://img.shields.io/conda/v/bioconda/cstag?label=Bioconda&color=orange)](https://anaconda.org/bioconda/cstag)
+[![DOI](https://zenodo.org/badge/468937655.svg)](https://zenodo.org/badge/latestdoi/468937655)
 
 # cstag