diff --git a/packages/helia/package.json b/packages/helia/package.json
index 67a20296..70b7c867 100644
--- a/packages/helia/package.json
+++ b/packages/helia/package.json
@@ -77,7 +77,7 @@
     "it-drain": "^3.0.1",
     "it-filter": "^3.0.1",
     "it-foreach": "^2.0.2",
-    "libp2p": "^0.46.3",
+    "libp2p": "^0.46.6",
     "mortice": "^3.0.1",
     "multiformats": "^12.0.1",
     "p-defer": "^4.0.0",
diff --git a/packages/helia/src/utils/libp2p-defaults.browser.ts b/packages/helia/src/utils/libp2p-defaults.browser.ts
index 366f0ece..2802458e 100644
--- a/packages/helia/src/utils/libp2p-defaults.browser.ts
+++ b/packages/helia/src/utils/libp2p-defaults.browser.ts
@@ -12,12 +12,13 @@ import { ipnsSelector } from 'ipns/selector'
 import { ipnsValidator } from 'ipns/validator'
 import { autoNATService } from 'libp2p/autonat'
 import { circuitRelayTransport } from 'libp2p/circuit-relay'
+import { dcutrService } from 'libp2p/dcutr'
 import { identifyService } from 'libp2p/identify'
 import { bootstrapConfig } from './bootstrappers.js'
 import type { PubSub } from '@libp2p/interface/pubsub'
 import type { Libp2pOptions } from 'libp2p'
 
-export function libp2pDefaults (): Libp2pOptions<{ dht: DualKadDHT, pubsub: PubSub, identify: unknown, autoNAT: unknown }> {
+export function libp2pDefaults (): Libp2pOptions<{ dht: DualKadDHT, pubsub: PubSub, identify: unknown, autoNAT: unknown, dcutr: unknown }> {
   return {
     addresses: {
       listen: [
@@ -50,6 +51,7 @@ export function libp2pDefaults (): Libp2pOptions<{ dht: DualKadDHT, pubsub: PubS
       identify: identifyService(),
       autoNAT: autoNATService(),
       pubsub: gossipsub(),
+      dcutr: dcutrService(),
       dht: kadDHT({
         clientMode: true,
         validators: {
diff --git a/packages/helia/src/utils/libp2p-defaults.ts b/packages/helia/src/utils/libp2p-defaults.ts
index 346e42fa..f70147c1 100644
--- a/packages/helia/src/utils/libp2p-defaults.ts
+++ b/packages/helia/src/utils/libp2p-defaults.ts
@@ -12,13 +12,14 @@ import { ipnsSelector } from 'ipns/selector'
 import { ipnsValidator } from 'ipns/validator'
 import { autoNATService } from 'libp2p/autonat'
 import { circuitRelayTransport, circuitRelayServer, type CircuitRelayService } from 'libp2p/circuit-relay'
+import { dcutrService } from 'libp2p/dcutr'
 import { identifyService } from 'libp2p/identify'
 import { uPnPNATService } from 'libp2p/upnp-nat'
 import { bootstrapConfig } from './bootstrappers.js'
 import type { PubSub } from '@libp2p/interface/pubsub'
 import type { Libp2pOptions } from 'libp2p'
 
-export function libp2pDefaults (): Libp2pOptions<{ dht: DualKadDHT, pubsub: PubSub, relay: CircuitRelayService, identify: unknown, autoNAT: unknown, upnp: unknown }> {
+export function libp2pDefaults (): Libp2pOptions<{ dht: DualKadDHT, pubsub: PubSub, relay: CircuitRelayService, identify: unknown, autoNAT: unknown, upnp: unknown, dcutr: unknown }> {
   return {
     addresses: {
       listen: [
@@ -51,6 +52,7 @@ export function libp2pDefaults (): Libp2pOptions<{ dht: DualKadDHT, pubsub: PubS
       autoNAT: autoNATService(),
       upnp: uPnPNATService(),
       pubsub: gossipsub(),
+      dcutr: dcutrService(),
       dht: kadDHT({
         validators: {
           ipns: ipnsValidator
diff --git a/packages/interop/package.json b/packages/interop/package.json
index 1cac64d5..b816daf2 100644
--- a/packages/interop/package.json
+++ b/packages/interop/package.json
@@ -63,7 +63,7 @@
     "it-all": "^3.0.2",
     "it-to-buffer": "^4.0.1",
     "kubo-rpc-client": "^3.0.1",
-    "libp2p": "^0.46.3",
+    "libp2p": "^0.46.6",
     "multiformats": "^12.0.1"
   },
   "browser": {