diff --git a/pkgs/applications/kde/default.nix b/pkgs/applications/kde/default.nix
index b30b15c4ad8..041108a9c5d 100644
--- a/pkgs/applications/kde/default.nix
+++ b/pkgs/applications/kde/default.nix
@@ -174,6 +174,7 @@ let
       kspaceduel = callPackage ./kspaceduel.nix {};
       ksudoku = callPackage ./ksudoku.nix {};
       ksystemlog = callPackage ./ksystemlog.nix {};
+      ktimer = callPackage ./ktimer.nix {};
       ktnef = callPackage ./ktnef.nix {};
       ktouch = callPackage ./ktouch.nix {};
       kturtle = callPackage ./kturtle.nix {};
diff --git a/pkgs/applications/kde/ktimer.nix b/pkgs/applications/kde/ktimer.nix
new file mode 100644
index 00000000000..aa755f35ce4
--- /dev/null
+++ b/pkgs/applications/kde/ktimer.nix
@@ -0,0 +1,20 @@
+{ mkDerivation, lib, extra-cmake-modules, kdoctools, ki18n, kio }:
+
+mkDerivation {
+  name = "ktimer";
+  meta = with lib; {
+    homepage = "https://kde.org/applications/en/utilities/org.kde.ktimer";
+    description = "KTimer is a little tool to execute programs after some time";
+    maintainers = with maintainers; [ freezeboy ];
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+  };
+  nativeBuildInputs = [
+    extra-cmake-modules
+  ];
+  buildInputs = [
+    kdoctools
+    ki18n
+    kio
+  ];
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 3c494a87355..edd5e29b280 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -21054,7 +21054,7 @@ in
     akonadi akregator ark bomber bovo dolphin dragon elisa ffmpegthumbs filelight granatier gwenview k3b
     kaddressbook kalzium kapptemplate kapman kate katomic kblackbox kblocks kbounce kcachegrind kcalc kcharselect kcolorchooser kdenlive kdf kdialog kdiamond
     keditbookmarks kfind kfloppy kget kgpg khelpcenter kig kigo killbots kleopatra klettres klines kmag kmail kmines kmix kmplot kollision knavalbattle knetwalk knights kolourpaint kompare konsole yakuake
-    kpkpass kitinerary kontact korganizer krdc kreversi krfb ksquares ksystemlog ktouch kturtle kwalletmanager kwave marble minuet okular picmi spectacle;
+    kpkpass kitinerary kontact korganizer krdc kreversi krfb ksquares ksystemlog ktimer ktouch kturtle kwalletmanager kwave marble minuet okular picmi spectacle;
 
   okteta = libsForQt5.callPackage ../applications/editors/okteta { };