diff --git a/README.md b/README.md
index 8d2c757..dbc0e11 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 ![kontakt logo with its left half rotated 180 degrees, resembling the left shift operator](assets/tonkakt.svg)
 
+## [CI Mirror](https://git.luj0ga.de/kontakt/shiftregister) / [Drone CI](https://ci.luj0ga.de/kontakt/shiftregister)
+
 ## project setup
 
 * make sure python 3.11 or 3.10 is installed