diff --git a/pkgs/development/libraries/kde-frameworks/default.nix b/pkgs/development/libraries/kde-frameworks/default.nix
index 9e03965441e..d18dea1c381 100644
--- a/pkgs/development/libraries/kde-frameworks/default.nix
+++ b/pkgs/development/libraries/kde-frameworks/default.nix
@@ -97,6 +97,7 @@ let
       breeze-icons = callPackage ./breeze-icons.nix {};
       kapidox = callPackage ./kapidox.nix {};
       karchive = callPackage ./karchive.nix {};
+      kcalendarcore = callPackage ./kcalendarcore.nix {};
       kcodecs = callPackage ./kcodecs.nix {};
       kconfig = callPackage ./kconfig.nix {};
       kcoreaddons = callPackage ./kcoreaddons.nix {};
diff --git a/pkgs/development/libraries/kde-frameworks/kcalendarcore.nix b/pkgs/development/libraries/kde-frameworks/kcalendarcore.nix
new file mode 100644
index 00000000000..e0b6c5313bb
--- /dev/null
+++ b/pkgs/development/libraries/kde-frameworks/kcalendarcore.nix
@@ -0,0 +1,16 @@
+{
+  mkDerivation,
+  lib,
+  extra-cmake-modules,
+  libical
+}:
+
+mkDerivation {
+  name = "kcalendarcore";
+  meta = {
+    maintainers = [ lib.maintainers.nyanloutre ];
+  };
+  nativeBuildInputs = [ extra-cmake-modules ];
+  propagatedBuildInputs = [ libical ];
+  outputs = [ "out" "dev" ];
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6b74d9edc39..b2a5742bf05 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13664,7 +13664,7 @@ in
 
     inherit (kdeFrameworks.override { libsForQt5 = self; })
       attica baloo bluez-qt kactivities kactivities-stats
-      karchive kauth kbookmarks kcmutils kcodecs kcompletion kconfig
+      karchive kauth kbookmarks kcmutils kcalendarcore kcodecs kcompletion kconfig
       kconfigwidgets kcoreaddons kcrash kdbusaddons kdeclarative kdelibs4support
       kdesignerplugin kdnssd kemoticons kfilemetadata kglobalaccel kguiaddons
       khtml ki18n kiconthemes kidletime kimageformats kio kitemmodels kitemviews