diff --git a/README.md b/README.md
index c561fb5..44dc3b7 100644
--- a/README.md
+++ b/README.md
@@ -88,6 +88,7 @@ If you are an open source project maintainer, add the label `first-timers-only`
 - [Atom](https://github.com/atom/atom/labels/beginner) _(label: beginner)_ <br> The hackable text editor
 - [cdnjs](https://github.com/cdnjs/cdnjs/labels/BEGINNER) _(label: BEGINNER)_ <br> The best FOSS web front-end resource CDN
 - [Video.js](https://github.com/videojs/video.js/labels/first-timers-only) _(label: first-timers-only)_ <br> The player framework
+- [stryker](https://github.com/stryker-mutator/stryker/labels/beginner%20friendly) _(label: beginner friendly)_ <br> The JavaScript mutation testing framework
 
 
 ## Julia