diff --git a/docker/services/tinc b/docker/services/tinc
index 8b2dd9b..4f90715 100644
--- a/docker/services/tinc
+++ b/docker/services/tinc
@@ -9,6 +9,7 @@
       - NETNAME=${netname}
     cap_add:
       - NET_ADMIN
+      - SYS_NICE
     devices:
       - /dev/net/tun:/dev/net/tun
     restart: always