Updated DOI

Author: pcko1

README.md

@@ -6,7 +6,6 @@
 [![PyPI](https://badge.fury.io/py/etherscan-python.svg)](https://badge.fury.io/py/etherscan-python)
 ![GitHub](https://img.shields.io/github/license/pcko1/etherscan-python)
 [![Python 3.8](https://img.shields.io/badge/python-3.8-blue.svg)](https://www.python.org/downloads/release/python-385/)
-
 [![DOI](https://zenodo.org/badge/298646404.svg)](https://zenodo.org/badge/latestdoi/298646404)
 
 
@@ -239,7 +238,7 @@ For problems regarding installing or using the package please open an [issue](ht
 
 ## Cite
 
-Kotsias, P. C., A Python API for Etherscan.io. *https://github.com/pcko1/etherscan-python (2020)*. doi:10.5281/zenodo.4088586
+Kotsias, P. C., A Python API for Etherscan.io. *https://github.com/pcko1/etherscan-python (2020)*. doi:10.5281/zenodo.4147166
 
 or in ```bibtex```:
 
@@ -251,7 +250,7 @@ or in ```bibtex```:
   publisher = {GitHub},
   journal = {GitHub repository},
   url = {https://github.com/pcko1/etherscan-python},
-  doi = {10.5281/zenodo.4088586}
+  doi = {10.5281/zenodo.4147166}
 }
 ```