diff --git a/Cargo.lock b/Cargo.lock
index 79d728ba92a..a7f74567ea2 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -3152,7 +3152,7 @@ dependencies = [
 
 [[package]]
 name = "libp2p-upnp"
-version = "0.1.0"
+version = "0.1.1"
 dependencies = [
  "futures",
  "futures-timer",
diff --git a/Cargo.toml b/Cargo.toml
index 3c3adb74575..be26badcc30 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -97,7 +97,7 @@ libp2p-pnet = { version = "0.23.0", path = "transports/pnet" }
 libp2p-quic = { version = "0.9.2", path = "transports/quic" }
 libp2p-relay = { version = "0.16.1", path = "protocols/relay" }
 libp2p-rendezvous = { version = "0.13.0", path = "protocols/rendezvous" }
-libp2p-upnp = { version = "0.1.0", path = "protocols/upnp" }
+libp2p-upnp = { version = "0.1.1", path = "protocols/upnp" }
 libp2p-request-response = { version = "0.25.1", path = "protocols/request-response" }
 libp2p-server = { version = "0.12.3", path = "misc/server" }
 libp2p-swarm = { version = "0.43.4", path = "swarm" }
diff --git a/protocols/upnp/CHANGELOG.md b/protocols/upnp/CHANGELOG.md
index 51d1510cddd..13b2f88e853 100644
--- a/protocols/upnp/CHANGELOG.md
+++ b/protocols/upnp/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 0.1.1 - unreleased
+
+- Fix port mapping protocol used for a UDP multiaddress.
+  See [PR 4542](https://github.com/libp2p/rust-libp2p/pull/4542).
+
 ## 0.1.0
 
 - Initial version
diff --git a/protocols/upnp/Cargo.toml b/protocols/upnp/Cargo.toml
index 53a3d2b7813..4121745de42 100644
--- a/protocols/upnp/Cargo.toml
+++ b/protocols/upnp/Cargo.toml
@@ -3,7 +3,7 @@ name = "libp2p-upnp"
 edition = "2021"
 rust-version = "1.60.0"
 description = "UPnP support for libp2p transports"
-version = "0.1.0"
+version = "0.1.1"
 license = "MIT"
 repository = "https://github.com/libp2p/rust-libp2p"
 keywords = ["peer-to-peer", "libp2p", "networking"]
diff --git a/protocols/upnp/src/behaviour.rs b/protocols/upnp/src/behaviour.rs
index f582e96e1e7..063734d9b5b 100644
--- a/protocols/upnp/src/behaviour.rs
+++ b/protocols/upnp/src/behaviour.rs
@@ -544,7 +544,7 @@ fn multiaddr_to_socketaddr_protocol(
             Some(multiaddr::Protocol::Udp(port)) => {
                 return Ok((
                     SocketAddr::V4(SocketAddrV4::new(ipv4, port)),
-                    PortMappingProtocol::TCP,
+                    PortMappingProtocol::UDP,
                 ));
             }
             _ => {}