diff --git a/reg-tests/http-messaging/protocol_upgrade.vtc b/reg-tests/http-messaging/protocol_upgrade.vtc
index 18e5afe..753aafe 100644
--- a/reg-tests/http-messaging/protocol_upgrade.vtc
+++ b/reg-tests/http-messaging/protocol_upgrade.vtc
@@ -8,6 +8,8 @@
 
 feature ignore_unknown_macro
 
+#REQUIRE_VERSION=2.4
+
 # http/1.1 server
 server srv_h1 {
 	rxreq
diff --git a/reg-tests/http-messaging/websocket.vtc b/reg-tests/http-messaging/websocket.vtc
index 82f5e8b..576c89d 100644
--- a/reg-tests/http-messaging/websocket.vtc
+++ b/reg-tests/http-messaging/websocket.vtc
@@ -12,6 +12,8 @@
 
 feature ignore_unknown_macro
 
+#REQUIRE_VERSION=2.4
+
 # valid websocket server
 server s1 {
 	rxreq