diff --git a/ansible/roles/jicofo/defaults/main.yml b/ansible/roles/jicofo/defaults/main.yml
index eb7f5d7a..9007067d 100644
--- a/ansible/roles/jicofo/defaults/main.yml
+++ b/ansible/roles/jicofo/defaults/main.yml
@@ -56,6 +56,12 @@ jicofo_jvb_brewery_muc: JvbBrewery@{{ jicofo_internal_muc_prefix }}.{{ environme
 jicofo_max_audio_senders: 999999
 # Max participants in a single conference on a single bridge.
 jicofo_max_bridge_participants: 80
+# The interval for jicofo_max_bridge_participants_per_interval.
+jicofo_max_bridge_participants_interval: 1 minute
+# Max participants that a single conference may add to a single bridge within
+# jicofo_max_bridge_participants_interval (-1 to disable). This limits the overshoot when a conference bursts, because
+# the stress level reported by a bridge lags the actual load by 5-10 seconds.
+jicofo_max_bridge_participants_per_interval: 30
 jicofo_max_memory: "1536m"
 jicofo_max_video_senders: 999999
 jicofo_prosody_jvb_hostname: "127.0.0.1"
diff --git a/ansible/roles/jicofo/templates/jicofo.conf.j2 b/ansible/roles/jicofo/templates/jicofo.conf.j2
index 847917fa..a6f79033 100644
--- a/ansible/roles/jicofo/templates/jicofo.conf.j2
+++ b/ansible/roles/jicofo/templates/jicofo.conf.j2
@@ -32,6 +32,8 @@ jicofo {
     average-participant-stress = {{ jicofo_average_participant_stress }}
     stress-threshold = {{ jicofo_stress_threshold }}
     max-bridge-participants = {{ jicofo_max_bridge_participants }}
+    max-bridge-participants-per-interval = {{ jicofo_max_bridge_participants_per_interval }}
+    max-bridge-participants-interval = {{ jicofo_max_bridge_participants_interval }}
 
     # This duplicates oracle_to_aws_region_map and aws_to_oracle_region_map.
     # Once we're moved to oracle regions everywhere we should remove the extra mappings.