diff --git a/contrib/gitdm/group-map-individuals b/contrib/gitdm/group-map-individuals
index afdbe7d460..05e355d30e 100644
--- a/contrib/gitdm/group-map-individuals
+++ b/contrib/gitdm/group-map-individuals
@@ -8,3 +8,8 @@
 f4bug@amsat.org
 mjt@tls.msk.ru
 mark.cave-ayland@ilande.co.uk
+rth@twiddle.net
+noring@nocrew.org
+samuel.thibault@ens-lyon.org
+aurelien@aurel32.net
+balaton@eik.bme.hu