diff --git a/pika-kde-desktop/debian/changelog b/pika-kde-desktop/debian/changelog
index ef3948f..4169017 100644
--- a/pika-kde-desktop/debian/changelog
+++ b/pika-kde-desktop/debian/changelog
@@ -1,4 +1,4 @@
-pika-kde-desktop (3.8.2-99pika1.lunar) lunar; urgency=medium
+pika-kde-desktop (3.8.3-99pika1.lunar) lunar; urgency=medium
 
   * Update to lunar
   
diff --git a/pika-kde-desktop/debian/control b/pika-kde-desktop/debian/control
index 951a23a..5ca79ae 100644
--- a/pika-kde-desktop/debian/control
+++ b/pika-kde-desktop/debian/control
@@ -135,6 +135,7 @@ Depends: ${misc:Depends},
     fcitx5-module-xorg,
     kde-config-fcitx5,
     pika-gnome-keyboarding,
+    knewstuff-dialog,
 ## Last to replace mime information
     ark,
 Recommends: firefox, gir1.2-dbusmenu-glib-0.4, gir1.2-dbusmenu-gtk3-0.4, gir1.2-dbusmenu-gtk-0.4, libappindicator3-1
diff --git a/pika-kde-desktop/debian/postinst b/pika-kde-desktop/debian/postinst
index 162f46e..1b5a5d8 100755
--- a/pika-kde-desktop/debian/postinst
+++ b/pika-kde-desktop/debian/postinst
@@ -1,6 +1,16 @@
-#!/bin/sh
+#!/bin/bash
 
 set -e
 
-ln -s /usr/bin/kreadconfig5 /usr/bin/kreadconfig
+if [[ ! -f /usr/bin/kreadconfig ]]
+then
+    ln -s /usr/bin/kreadconfig5 /usr/bin/kreadconfig
+fi
 
+if [[ ! -f /usr/share/applications/org.kde.discover.desktop ]]
+    ln -s /usr/share/applications/mintinstall.desktop /usr/share/applications/org.kde.discover.desktop
+fi
+
+if [[ ! -f /usr/share/applications/org.kde.discover.apt.urlhandler.desktop ]]
+    ln -s /usr/share/applications/mintinstall.desktop /usr/share/applications/org.kde.discover.apt.urlhandler.desktop
+fi
diff --git a/pika-kde-desktop/debian/postrm b/pika-kde-desktop/debian/postrm
new file mode 100644
index 0000000..cf7233d
--- /dev/null
+++ b/pika-kde-desktop/debian/postrm
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+if readlink /usr/bin/kreadconfig
+then
+    rm -rf /usr/bin/kreadconfig
+fi
+
+if readlink /usr/share/applications/org.kde.discover.desktop
+    rm -rf /usr/share/applications/org.kde.discover.desktop
+fi
+
+if readlink /usr/share/applications/org.kde.discover.apt.urlhandler.desktop
+    rm -rf /usr/share/applications/org.kde.discover.apt.urlhandler.desktop
+fi