diff --git a/go.mod b/go.mod
index f18f60674586..ec223c5b010b 100644
--- a/go.mod
+++ b/go.mod
@@ -55,7 +55,7 @@ require (
 	github.com/mattn/go-sqlite3 v1.14.18
 	github.com/naoina/toml v0.1.2-0.20170918210437-9fafd6967416
 	github.com/olekukonko/tablewriter v0.0.5
-	github.com/optimism-java/utp-go v0.0.0-20240530085325-d8dd9d262631
+	github.com/optimism-java/utp-go v0.0.0-20240531024756-00da67044c50
 	github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7
 	github.com/protolambda/bls12-381-util v0.1.0
 	github.com/protolambda/zrnt v0.32.2
diff --git a/go.sum b/go.sum
index 445730cf1316..b1cb0e088a45 100644
--- a/go.sum
+++ b/go.sum
@@ -433,6 +433,10 @@ github.com/optimism-java/utp-go v0.0.0-20240309041853-b6b3a0dea581 h1:ZxgrtI0xIw
 github.com/optimism-java/utp-go v0.0.0-20240309041853-b6b3a0dea581/go.mod h1:DZ0jYzLzt4ZsCmhI/iqYgGFoNx45OfpEoKzXB8HVALQ=
 github.com/optimism-java/utp-go v0.0.0-20240530085325-d8dd9d262631 h1:01AecSuOSS6fsIU/oTVG/C70hIl3xPen99qy2hGr57w=
 github.com/optimism-java/utp-go v0.0.0-20240530085325-d8dd9d262631/go.mod h1:DZ0jYzLzt4ZsCmhI/iqYgGFoNx45OfpEoKzXB8HVALQ=
+github.com/optimism-java/utp-go v0.0.0-20240531021243-e12d25b6be38 h1:t0gRqfM7wUrFyryagUpw4TmYY0DLt+rjPaBd92i+W2M=
+github.com/optimism-java/utp-go v0.0.0-20240531021243-e12d25b6be38/go.mod h1:DZ0jYzLzt4ZsCmhI/iqYgGFoNx45OfpEoKzXB8HVALQ=
+github.com/optimism-java/utp-go v0.0.0-20240531024756-00da67044c50 h1:I1jGQkNEWq7BTFZkCJKLDrqFLC1jR3EC7jz3to4kpLg=
+github.com/optimism-java/utp-go v0.0.0-20240531024756-00da67044c50/go.mod h1:DZ0jYzLzt4ZsCmhI/iqYgGFoNx45OfpEoKzXB8HVALQ=
 github.com/optimism-java/zrnt v0.32.4-0.20240415084906-d9dbf06b32f7 h1:ZTQWXQ8xblCRUXhZs3h5qrBMSAHe8iNH7BG7a7IVFlI=
 github.com/optimism-java/zrnt v0.32.4-0.20240415084906-d9dbf06b32f7/go.mod h1:A0fezkp9Tt3GBLATSPIbuY4ywYESyAuc/FFmPKg8Lqs=
 github.com/peterh/liner v1.1.1-0.20190123174540-a2c9a5303de7 h1:oYW+YCJ1pachXTQmzR3rNLYGGz4g/UgFcjb28p/viDM=
diff --git a/p2p/discover/portal_protocol.go b/p2p/discover/portal_protocol.go
index a56f7e6dc82f..97bb932c2950 100644
--- a/p2p/discover/portal_protocol.go
+++ b/p2p/discover/portal_protocol.go
@@ -1044,6 +1044,7 @@ func (p *PortalProtocol) handleFindContent(id enode.ID, addr *net.UDPAddr, reque
 		connIdSend := connId.SendId()
 
 		go func(bctx context.Context) {
+			defer p.connIdGen.Remove(connId)
 			for {
 				select {
 				case <-bctx.Done():
@@ -1166,6 +1167,7 @@ func (p *PortalProtocol) handleOffer(id enode.ID, addr *net.UDPAddr, request *po
 		connIdSend := connId.SendId()
 
 		go func(bctx context.Context) {
+			defer p.connIdGen.Remove(connId)
 			for {
 				select {
 				case <-bctx.Done():
diff --git a/p2p/discover/portal_protocol_test.go b/p2p/discover/portal_protocol_test.go
index f9b889232394..6c6993c98a84 100644
--- a/p2p/discover/portal_protocol_test.go
+++ b/p2p/discover/portal_protocol_test.go
@@ -10,6 +10,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ethereum/go-ethereum/p2p/enr"
 	"github.com/ethereum/go-ethereum/portalnetwork/storage"
 	"github.com/prysmaticlabs/go-bitfield"
 	"golang.org/x/exp/slices"
@@ -78,6 +79,7 @@ func setupLocalPortalNode(addr string, bootNodes []*enode.Node) (*PortalProtocol
 			}
 		}
 	}
+	localNode.Set(enr.UDP(addr1.Port))
 
 	discV5, err := ListenV5(conn, localNode, discCfg)
 	if err != nil {
@@ -113,6 +115,15 @@ func TestPortalWireProtocolUdp(t *testing.T) {
 	assert.NoError(t, err)
 	time.Sleep(10 * time.Second)
 
+	node1.putCacheNodeId(node2.localNode.Node())
+	node1.putCacheNodeId(node3.localNode.Node())
+
+	node2.putCacheNodeId(node1.localNode.Node())
+	node2.putCacheNodeId(node3.localNode.Node())
+
+	node3.putCacheNodeId(node1.localNode.Node())
+	node3.putCacheNodeId(node2.localNode.Node())
+
 	udpAddrStr1 := fmt.Sprintf("%s:%d", node1.localNode.Node().IP(), node1.localNode.Node().UDP())
 	udpAddrStr2 := fmt.Sprintf("%s:%d", node2.localNode.Node().IP(), node2.localNode.Node().UDP())