diff --git a/src/test/overlay/ProtocolVersion_test.cpp b/src/test/overlay/ProtocolVersion_test.cpp
index f0d02edbca..638f6f2e2d 100644
--- a/src/test/overlay/ProtocolVersion_test.cpp
+++ b/src/test/overlay/ProtocolVersion_test.cpp
@@ -66,8 +66,8 @@ public:
                 negotiateProtocolVersion("RTXP/1.2, XRPL/2.0, XRPL/2.1") == make_protocol(2, 1));
             BEAST_EXPECT(negotiateProtocolVersion("XRPL/2.2") == make_protocol(2, 2));
             BEAST_EXPECT(
-                negotiateProtocolVersion("RTXP/1.2, XRPL/2.2, XRPL/2.3, XRPL/999.999") ==
-                make_protocol(2, 2));
+                negotiateProtocolVersion("RTXP/1.2, XRPL/2.3, XRPL/2.4, XRPL/999.999") ==
+                make_protocol(2, 3));
             BEAST_EXPECT(negotiateProtocolVersion("XRPL/999.999, WebSocket/1.0") == std::nullopt);
             BEAST_EXPECT(negotiateProtocolVersion("") == std::nullopt);
         }