diff --git a/ksmserver/CMakeLists.txt b/ksmserver/CMakeLists.txt
--- a/ksmserver/CMakeLists.txt
+++ b/ksmserver/CMakeLists.txt
@@ -66,6 +66,7 @@
     PW::KWorkspace
     KF5::XmlGui
     KF5::GlobalAccel
+    KF5::I18n
     KF5::KIOCore
     KF5::KIOWidgets
     ${X11_LIBRARIES}
@@ -75,8 +76,10 @@
     Qt5::Quick
     KF5::Declarative
     KF5::DBusAddons
+    KF5::Notifications
     KF5::Package
-    KF5::KDELibs4Support # Solid/PowerManagement
+    KF5::Solid # Solid::Power
+    KF5::WindowSystem
     ${PHONON_LIBRARIES}
     Qt5::Concurrent
 )
diff --git a/ksmserver/logout.cpp b/ksmserver/logout.cpp
--- a/ksmserver/logout.cpp
+++ b/ksmserver/logout.cpp
@@ -76,7 +76,7 @@
 #include "global.h"
 #include "client.h"
 
-#include <solid/powermanagement.h>
+#include <solid/inhibitionjob.h>
 
 #include "logoutprompt_interface.h"
 #include "shutdown_interface.h"
@@ -185,8 +185,11 @@
     state = Shutdown;
 
     // If the logout was confirmed, let's start a powermanagement inhibition.
-    // We store the cookie so we can interrupt it if the logout will be canceled
-    inhibitCookie = Solid::PowerManagement::beginSuppressingSleep(QStringLiteral("Shutting down system"));
+    // If the logout is canceled, the job is deleted and the inhibition is released.
+    inhibitionJob = Solid::Power::inhibit(Solid::Power::InhibitionType::Sleep, QStringLiteral("Shutting down system"), this);
+    if (inhibitionJob) {
+        inhibitionJob->start();
+    }
 
     // shall we save the session on logout?
     KConfigGroup cg(KSharedConfig::openConfig(), "General");
@@ -393,7 +396,8 @@
         clientsToSave.clear();
         emit subSessionCloseCanceled();
     } else {
-        Solid::PowerManagement::stopSuppressingSleep(inhibitCookie);
+        delete inhibitionJob;
+        inhibitionJob = nullptr;
         qCDebug(KSMSERVER) << "Client " << c->program() << " (" << c->clientId() << ") canceled shutdown.";
         KNotification::event( QStringLiteral( "cancellogout" ),
                               i18n( "Logout canceled by '%1'", c->program()),
diff --git a/ksmserver/server.h b/ksmserver/server.h
--- a/ksmserver/server.h
+++ b/ksmserver/server.h
@@ -60,6 +60,10 @@
 class KSMConnection;
 class KSMClient;
 
+namespace Solid
+{
+    class InhibitionJob;
+} // namespace Solid
 
 enum SMType { SM_ERROR, SM_WMCOMMAND, SM_WMSAVEYOURSELF };
 struct SMData
@@ -245,9 +249,7 @@
 
     WindowMap legacyWindows;
 
-
-    int inhibitCookie;
-
+    Solid::InhibitionJob* inhibitionJob = nullptr;
 
     //subSession stuff
     QList<KSMClient*> clientsToKill;