diff --git a/crates/tor-linkspec/semver.md b/crates/tor-linkspec/semver.md
new file mode 100644
index 000000000..a877cd46a
--- /dev/null
+++ b/crates/tor-linkspec/semver.md
@@ -0,0 +1 @@
+ADDED: impl AsRef<str> for PtTransportName
diff --git a/crates/tor-linkspec/src/transport.rs b/crates/tor-linkspec/src/transport.rs
index a16e4340b..e020cf132 100644
--- a/crates/tor-linkspec/src/transport.rs
+++ b/crates/tor-linkspec/src/transport.rs
@@ -92,6 +92,12 @@ impl Display for PtTransportName {
     }
 }
 
+impl AsRef<str> for PtTransportName {
+    fn as_ref(&self) -> &str {
+        &self.0
+    }
+}
+
 /// These identifiers are used to indicate the built-in transport.
 ///
 /// When outputting string representations, the first (`"-"`) is used.