Index: PackageKit-1.2.6/backends/apt/apt-utils.cpp
===================================================================
--- PackageKit-1.2.6.orig/backends/apt/apt-utils.cpp
+++ PackageKit-1.2.6/backends/apt/apt-utils.cpp
@@ -387,7 +387,8 @@ bool utilRestartRequired(const string &p
         starts_with(packageName, "nvidia-") ||
         packageName == "libc6" ||
         packageName == "dbus" ||
-        packageName == "dbus-broker") {
+        packageName == "dbus-broker" ||
+        packageName == "sddm") {
         return true;
     }
     return false;
