diff --git a/src/knotification.h b/src/knotification.h
--- a/src/knotification.h
+++ b/src/knotification.h
@@ -278,7 +278,13 @@
      * @since 5.58
      * @sa setUrgency
      */
-    enum Urgency { DefaultUrgency = -1, LowUrgency, NormalUrgency, CriticalUrgency };
+    enum Urgency {
+        DefaultUrgency = -1,
+        LowUrgency = 10,
+        NormalUrgency = 50,
+        HighUrgency = 70,
+        CriticalUrgency = 90
+    };
 
     /**
      * Create a new notification.
diff --git a/src/knotificationmanager.cpp b/src/knotificationmanager.cpp
--- a/src/knotificationmanager.cpp
+++ b/src/knotificationmanager.cpp
@@ -319,6 +319,8 @@
             n->setUrgency(KNotification::LowUrgency);
         } else if (urgency == QLatin1String("Normal")) {
             n->setUrgency(KNotification::NormalUrgency);
+        } else if (urgency == QLatin1String("High")) {
+            n->setUrgency(KNotification::HighUrgency);
         } else if (urgency == QLatin1String("Critical")) {
             n->setUrgency(KNotification::CriticalUrgency);
         }
diff --git a/src/notifybypopup.cpp b/src/notifybypopup.cpp
--- a/src/notifybypopup.cpp
+++ b/src/notifybypopup.cpp
@@ -712,8 +712,26 @@
         hintsMap[QStringLiteral("desktop-entry")] = qApp->desktopFileName();
     }
 
-    if (notification->urgency() != KNotification::DefaultUrgency) {
-        hintsMap[QStringLiteral("urgency")] = static_cast<int>(notification->urgency());
+    int urgency = -1;
+    switch (notification->urgency()) {
+    case KNotification::DefaultUrgency:
+        break;
+    case KNotification::LowUrgency:
+        urgency = 0;
+        break;
+    case KNotification::NormalUrgency:
+        Q_FALLTHROUGH();
+    // galago notifications only know low, normal, critical
+    case KNotification::HighUrgency:
+        urgency = 1;
+        break;
+    case KNotification::CriticalUrgency:
+        urgency = 2;
+        break;
+    }
+
+    if (urgency > -1) {
+        hintsMap[QStringLiteral("urgency")] = urgency;
     }
 
     const QVariantMap hints = notification->hints();