diff --git a/changelog.d/13240.misc b/changelog.d/13240.misc
new file mode 100644
index 0000000000..0567e47d64
--- /dev/null
+++ b/changelog.d/13240.misc
@@ -0,0 +1 @@
+Call the v2 identity service `/3pid/unbind` endpoint, rather than v1.
\ No newline at end of file
diff --git a/synapse/handlers/identity.py b/synapse/handlers/identity.py
index 164d891e90..9571d461c8 100644
--- a/synapse/handlers/identity.py
+++ b/synapse/handlers/identity.py
@@ -281,8 +281,8 @@ class IdentityHandler:
                 "id_server must be a valid hostname with optional port and path components",
             )
 
-        url = "https://%s/_matrix/identity/api/v1/3pid/unbind" % (id_server,)
-        url_bytes = b"/_matrix/identity/api/v1/3pid/unbind"
+        url = "https://%s/_matrix/identity/v2/3pid/unbind" % (id_server,)
+        url_bytes = b"/_matrix/identity/v2/3pid/unbind"
 
         content = {
             "mxid": mxid,