diff --git a/src/protocols.csv b/src/protocols.csv
index 0f9e1ea9..272efd44 100644
--- a/src/protocols.csv
+++ b/src/protocols.csv
@@ -12,3 +12,4 @@ code	size	name
 443	0	https
 477	0	ws
 444	10	onion
+275 0 libp2p-webrtc-star
diff --git a/src/protocols.js b/src/protocols.js
index 39f07b02..a470a279 100644
--- a/src/protocols.js
+++ b/src/protocols.js
@@ -41,7 +41,8 @@ Protocols.table = [
   [421, Protocols.lengthPrefixedVarSize, 'ipfs'],
   [480, 0, 'http'],
   [443, 0, 'https'],
-  [477, 0, 'ws']
+  [477, 0, 'ws'],
+  [275, 0, 'libp2p-webrtc-star']
 ]
 
 Protocols.names = {}
diff --git a/test/index.spec.js b/test/index.spec.js
index e0582264..5744195b 100644
--- a/test/index.spec.js
+++ b/test/index.spec.js
@@ -284,6 +284,13 @@ describe('variants', () => {
     expect(addr).to.have.property('buffer')
     expect(addr.toString()).to.equal(str)
   })
+
+  it('webrtc-star', () => {
+    const str = '/libp2p-webrtc-star/ip4/127.0.0.1/tcp/9090/ipfs/QmcgpsyWgH8Y8ajJz1Cu72KnS5uo2Aa2LpzU7kinSupNKC'
+    const addr = multiaddr(str)
+    expect(addr).to.have.property('buffer')
+    expect(addr.toString()).to.equal(str)
+  })
 })
 
 describe('helpers', () => {