diff --git a/roles/turn/tasks/main.yml b/roles/turn/tasks/main.yml
index fb7c311..9db55b9 100644
--- a/roles/turn/tasks/main.yml
+++ b/roles/turn/tasks/main.yml
@@ -28,6 +28,8 @@
       --no-tls \
       --relay-ip='turn.spamasaurus.com' \
       --external-ip='turn.spamasaurus.com' \
+      --min-port=49152 \
+      --max-port=50152 \
       --user=dendrite:dendrite \
       --realm=dendrite
     network_mode: host