diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,7 +6,7 @@
 set(PROJECT_VERSION_MAJOR 5)
 
 set(QT_MIN_VERSION "5.14.0")
-set(KF5_MIN_VERSION "5.66.0")
+set(KF5_MIN_VERSION "5.71.0")
 
 set(CMAKE_CXX_STANDARD 14)
 set(CMAKE_CXX_STANDARD_REQUIRED On)
diff --git a/applet/contents/ui/Toolbar.qml b/applet/contents/ui/Toolbar.qml
--- a/applet/contents/ui/Toolbar.qml
+++ b/applet/contents/ui/Toolbar.qml
@@ -204,7 +204,7 @@
             }
 
             onClicked: {
-                KCMShell.open(mainWindow.kcm)
+                KCMShell.openSystemSettings(mainWindow.kcm)
             }
         }
     }
diff --git a/applet/contents/ui/main.qml b/applet/contents/ui/main.qml
--- a/applet/contents/ui/main.qml
+++ b/applet/contents/ui/main.qml
@@ -27,8 +27,8 @@
 Item {
     id: mainWindow
 
-    readonly property string kcm: "kcm_networkmanagement.desktop"
-    readonly property bool kcmAuthorized: KCMShell.authorize(kcm).length == 1
+    readonly property string kcm: "kcm_networkmanagement"
+    readonly property bool kcmAuthorized: KCMShell.authorize("kcm_networkmanagement.desktop").length == 1
 
     Plasmoid.toolTipMainText: i18n("Networks")
     Plasmoid.toolTipSubText: networkStatus.activeConnections
@@ -45,7 +45,7 @@
     }
 
     function action_openKCM() {
-        KCMShell.open(kcm)
+        KCMShell.openSystemSettings(kcm)
     }
 
     function action_showPortal() {