2 files changed, 3 insertions, 0 deletions

diff --git a/src/regress/lib/libtls/gotls/tls.go b/src/regress/lib/libtls/gotls/tls.go
index dbd3b717b0..cf3e84c030 100644
--- a/src/regress/lib/libtls/gotls/tls.go
+++ b/src/regress/lib/libtls/gotls/tls.go
@@ -40,6 +40,7 @@ const (
         ProtocolTLSv10 ProtocolVersion = C.TLS_PROTOCOL_TLSv1_0
         ProtocolTLSv11 ProtocolVersion = C.TLS_PROTOCOL_TLSv1_1
         ProtocolTLSv12 ProtocolVersion = C.TLS_PROTOCOL_TLSv1_2
+        ProtocolTLSv13 ProtocolVersion = C.TLS_PROTOCOL_TLSv1_3
         ProtocolsAll   ProtocolVersion = C.TLS_PROTOCOLS_ALL
 )
 
@@ -47,6 +48,7 @@ var protocolNames = map[ProtocolVersion]string{
         ProtocolTLSv10: "TLSv1",
         ProtocolTLSv11: "TLSv1.1",
         ProtocolTLSv12: "TLSv1.2",
+        ProtocolTLSv13: "TLSv1.3",
         ProtocolsAll:   "all",
 }
 
diff --git a/src/regress/lib/libtls/gotls/tls_test.go b/src/regress/lib/libtls/gotls/tls_test.go
index 1a9f62eff8..be880e138c 100644
--- a/src/regress/lib/libtls/gotls/tls_test.go
+++ b/src/regress/lib/libtls/gotls/tls_test.go
@@ -185,6 +185,7 @@ func TestTLSVersions(t *testing.T) {
                 wantVersion      ProtocolVersion
                 wantHandshakeErr bool
         }{
+                {tls.VersionTLS10, tls.VersionTLS13, ProtocolTLSv13, false},
                 {tls.VersionSSL30, tls.VersionTLS12, ProtocolTLSv12, false},
                 {tls.VersionTLS10, tls.VersionTLS12, ProtocolTLSv12, false},
                 {tls.VersionTLS11, tls.VersionTLS12, ProtocolTLSv12, false},