diff --git a/tests/ttls b/tests/ttls
index 6f657e2e..a4ced451 100755
--- a/tests/ttls
+++ b/tests/ttls
@@ -115,6 +115,9 @@ run_tests() {
 
     title PARA "Run test with TLS 1.2 and ECDH"
     run_test "$ECPRIURI" "$ECCRTURI" "" "-tls1_2 -cipher ECDHE-ECDSA-AES128-GCM-SHA256 -groups secp256r1"
+
+    title PARA "Run test with TLS 1.3 and specific suite"
+    run_test "$ECPRIURI" "$ECCRTURI" "" "-tls1_3 -ciphersuites TLS_AES_256_GCM_SHA384 -groups secp256r1"
 }
 
 title SECTION "TLS with key in provider"