diff --git a/CHANGELOG.md b/CHANGELOG.md
index 109162a22b..ffe0558cd3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -16,6 +16,7 @@ For more detailed information about the changes see the history of the
 * standardising include order and style in library files (#542) 
 * move CI to GitHub Ations (#551, #552, #553)
 * format CMake internal cpp code (#557)
+* update codacy badge (#558)
 
 ## Version 1.6.1 (released 21.06.20)
 * add support for cma-3 (#158) 
diff --git a/README.md b/README.md
index e3f06182a2..94dd608c16 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-[![Codacy Badge](https://api.codacy.com/project/badge/Grade/2fff2f588e7e40bd93292016052e6224)](https://www.codacy.com/manual/votca-package/csg?utm_source=github.com&utm_medium=referral&utm_content=votca/csg&utm_campaign=Badge_Grade)
+[![Codacy Badge](https://app.codacy.com/project/badge/Grade/5b140fa4d7f749f5b1ea164694a5cecf)](https://www.codacy.com/gh/votca/csg?utm_source=github.com&utm_medium=referral&utm_content=votca/csg&utm_campaign=Badge_Grade)
 [![codecov](https://codecov.io/gh/votca/csg/branch/master/graph/badge.svg)](https://codecov.io/gh/votca/csg)
 [![CI](https://github.com/votca/csg/workflows/CI/badge.svg)](https://github.com/votca/csg/actions?query=branch%3Agithub_actions+workflow%3ACI)
 [![DOI](https://zenodo.org/badge/41003167.svg)](https://zenodo.org/badge/latestdoi/41003167)