diff --git a/src/murmur/Server.cpp b/src/murmur/Server.cpp
index 8a1856fb..17fa1ec9 100644
--- a/src/murmur/Server.cpp
+++ b/src/murmur/Server.cpp
@@ -1251,7 +1251,7 @@ void Server::newClient() {
 		u->setToS();
 
 #if QT_VERSION >= 0x050500
-		sock->setProtocol(QSsl::TlsV1_0OrLater);
+		sock->setProtocol(QSsl::TlsV1_2OrLater);
 #elif QT_VERSION >= 0x050400
 		// In Qt 5.4, QSsl::SecureProtocols is equivalent
 		// to "TLSv1.0 or later", which we require.