diff --git a/README.md b/README.md
index 7a55638..0fccc63 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # TypeORM Cursor Pagination
 
 [![Build Status](https://travis-ci.com/benjamin658/typeorm-cursor-pagination.svg?branch=master)](https://travis-ci.com/benjamin658/typeorm-cursor-pagination)
+[![codecov](https://codecov.io/gh/benjamin658/typeorm-cursor-pagination/branch/master/graph/badge.svg?token=R1PBLUITU7)](https://codecov.io/gh/benjamin658/typeorm-cursor-pagination)
 [![npm version](https://badge.fury.io/js/typeorm-cursor-pagination.svg)](https://badge.fury.io/js/typeorm-cursor-pagination)
 [![Maintainability](https://api.codeclimate.com/v1/badges/9ad73ee4890101f8ac38/maintainability)](https://codeclimate.com/github/benjamin658/typeorm-cursor-pagination/maintainability)
 [![license](https://img.shields.io/github/license/benjamin658/typeorm-cursor-pagination)](https://github.com/benjamin658/typeorm-cursor-pagination/blob/master/License)
diff --git a/release.sh b/release.sh
deleted file mode 100755
index ad40887..0000000
--- a/release.sh
+++ /dev/null
@@ -1,45 +0,0 @@
-#!/bin/bash
-
-PUSH_TO_ORIGIN=false
-
-while getopts "v:p" argv
-do
-  case $argv in
-    v)
-      RELEASE_VERSION=$OPTARG
-      ;;
-    p)
-      PUSH_TO_ORIGIN=true
-      ;;
-  esac
-done
-
-if [ -z "$RELEASE_VERSION" ]; then
-  echo -e "\033[0;31m[ERROR]: Missing release version -v option.\033[0m"
-  exit 1
-fi
-
-SEMVER_REGEX="^(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)\\.(0|[1-9][0-9]*)(\\-[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?(\\+[0-9A-Za-z-]+(\\.[0-9A-Za-z-]+)*)?$"
-
-if [[ $RELEASE_VERSION =~ $SEMVER_REGEX ]]; then
-  echo -e "\033[0;32m[INFO]: Start to release version $RELEASE_VERSION."
-else
-  echo -e "\033[0;31m[ERROR]: Version $RELEASE_VERSION doesn't match the semver scheme $SEMVER_REGEX.\033[0m"
-  exit 1
-fi
-
-git checkout develop && git pull --rebase
-git checkout master && git pull --rebase
-git merge develop
-npx standard-version --release-as $RELEASE_VERSION
-git checkout develop
-git merge master
-
-if $PUSH_TO_ORIGIN ; then
-  echo -e "\033[0;32m[INFO]: Push to origin"
-  git push origin develop
-  git push origin master
-  git push --tags
-fi
-
-echo -e "\033[0;32m[INFO]: Version $RELEASE_VERSION has been successfully released."