diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 11f836aa81a46933b517216e96370e2701979c19..7ee4debbc796a69d0f253875040fcb1f9fe40b53 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -17,3 +17,6 @@ Further contributions  in the form of code, testing, documentation etc. were mad
 * R. Zameitat [xayomer](https://gitlab.fachschaften.org/xayomer)
 * N. Steinger [voidptr](https://gitlab.fachschaften.org/voidptr)
 * T. Neumann [neumantm](https://gitlab.fachschaften.org/neumantm)
+* F. Blanke [felix_bonn](https://gitlab.fachschaften.org/felix_bonn)
+* L. Conti [lorax66](https://gitlab.fachschaften.org/lorax66)
+* M. Marx [mmarx](https://gitlab.fachschaften.org/mmarx)