diff --git a/src/bridge.cpp b/src/bridge.cpp
index d288c9b..05e80bb 100644
--- a/src/bridge.cpp
+++ b/src/bridge.cpp
@@ -126,6 +126,13 @@ bool Bridge::onEvent(const Message::Events::MessageConstruct& e) {
 		return false; // how
 	}
 
+	if (e.e.all_of<Message::Components::Timestamp>()) {
+		int64_t time_diff = int64_t(Message::getTimeMS()) - int64_t(e.e.get<Message::Components::Timestamp>().ts);
+		if (time_diff > 5*1000*60) {
+			return false; // message too old
+		}
+	}
+
 	const auto contact_from = e.e.get<Message::Components::ContactFrom>().c;
 	if (_cr.any_of<Contact::Components::TagSelfStrong, Contact::Components::TagSelfWeak>(contact_from)) {
 		return false; // skip own messages