diff --git a/erigon-sepolia-minimal.yml b/erigon-sepolia-minimal.yml
index 362ea9e4..e99e31eb 100644
--- a/erigon-sepolia-minimal.yml
+++ b/erigon-sepolia-minimal.yml
@@ -10,12 +10,16 @@ services:
     ports:
       - "43445:43445"
       - "43445:43445/udp"
+      - "55192:55192/udp"
+      - "11098:11098"
     volumes:
       - erigon-sepolia-minimal:/root/.local/share/erigon
       - /slowdisk:/slowdisk
       - .jwtsecret:/jwtsecret
     networks:
       - chains
+    environment:
+      - "IP=${IP}"
     command: >
       --chain sepolia
       --prune.mode=minimal
@@ -23,11 +27,14 @@ services:
       --beacon.api.addr=0.0.0.0
       --beacon.api.cors.allow-origins=*      
       --port=43445
+      --caplin.discovery.addr=0.0.0.0
+      --caplin.discovery.port=55192
+      --caplin.discovery.tcpport=11098
       --metrics --metrics.addr=0.0.0.0 --metrics.port=6060
       --private.api.addr=0.0.0.0:9090
       --torrent.upload.rate="1250mb"
       --torrent.download.rate="1250mb"
-      --nat=stun
+      --nat=extip:${IP}
       --pprof
       --pprof.addr=0.0.0.0
       --pprof.port=6061