diff --git a/testnet/soroban-rpc/etc/stellar-captive-core.cfg b/testnet/soroban-rpc/etc/stellar-captive-core.cfg
index 08fdd694..7645e235 100644
--- a/testnet/soroban-rpc/etc/stellar-captive-core.cfg
+++ b/testnet/soroban-rpc/etc/stellar-captive-core.cfg
@@ -4,7 +4,7 @@ NETWORK_PASSPHRASE="__NETWORK__"
 HTTP_PORT=0
 PUBLIC_HTTP_PORT=false
 # To avoid conflicts with the core instance
-PEER_PORT=11725
+PEER_PORT=11726
 DATABASE="__DATABASE__"
 
 EXPERIMENTAL_BUCKETLIST_DB=true