Update README.md

[ci skip]

Author: overheadhunter

README.md

@@ -3,7 +3,7 @@
 [![Build Status](https://travis-ci.org/cryptomator/siv-mode.svg?branch=develop)](https://travis-ci.org/cryptomator/siv-mode)
 [![Codacy Badge](https://api.codacy.com/project/badge/Grade/8b274788dab046259a40e56688236790)](https://www.codacy.com/app/cryptomator/siv-mode)
 [![Codacy Badge](https://api.codacy.com/project/badge/Coverage/8b274788dab046259a40e56688236790)](https://www.codacy.com/app/cryptomator/siv-mode)
-[![Coverity Scan Build Status](https://scan.coverity.com/projects/10005/badge.svg)](https://scan.coverity.com/projects/cryptomator-siv-mode)
+[![Known Vulnerabilities](https://snyk.io/test/github/cryptomator/siv-mode/badge.svg)](https://snyk.io/test/github/cryptomator/siv-mode)
 [![Maven Central](https://img.shields.io/maven-central/v/org.cryptomator/siv-mode.svg?maxAge=86400)](https://repo1.maven.org/maven2/org/cryptomator/siv-mode/)
 [![Javadocs](http://www.javadoc.io/badge/org.cryptomator/siv-mode.svg)](http://www.javadoc.io/doc/org.cryptomator/siv-mode)