diff --git a/CMakeLists.txt b/CMakeLists.txt
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,6 +5,7 @@
 
 find_package(ECM 5.42.0 REQUIRED NO_MODULE)
 set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
+set(CMAKE_AUTORCC ON)
 
 include(GenerateExportHeader)
 include(ECMGenerateHeaders)
@@ -40,8 +41,6 @@
   add_subdirectory(autotests)
 endif()
 
-add_subdirectory(holidays)
-
 if(IS_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}/po")
   ecm_install_po_files_as_qm(po)
 endif()
diff --git a/holidays/CMakeLists.txt b/holidays/CMakeLists.txt
deleted file mode 100644
--- a/holidays/CMakeLists.txt
+++ /dev/null
@@ -1 +0,0 @@
-install(DIRECTORY plan2 DESTINATION ${KDE_INSTALL_DATADIR_KF5}/libkholidays PATTERN "*~" EXCLUDE)
diff --git a/holidays/holidays.qrc b/holidays/holidays.qrc
new file mode 100644
--- /dev/null
+++ b/holidays/holidays.qrc
@@ -0,0 +1,122 @@
+<RCC>
+    <qresource prefix="/org.kde.kholidays/">
+        <file>plan2/holiday_ar_es</file>
+        <file>plan2/holiday_at_de</file>
+        <file>plan2/holiday_au-act_en-gb</file>
+        <file>plan2/holiday_au-nsw_en-gb</file>
+        <file>plan2/holiday_au-nt_en-gb</file>
+        <file>plan2/holiday_au-qld_en-gb</file>
+        <file>plan2/holiday_au-sa_en-gb</file>
+        <file>plan2/holiday_au-tas_en-gb</file>
+        <file>plan2/holiday_au-vic_en-gb</file>
+        <file>plan2/holiday_au-wa_en-gb</file>
+        <file>plan2/holiday_ba-srp_sr</file>
+        <file>plan2/holiday_ba-srp_sr@ijekavian</file>
+        <file>plan2/holiday_ba-srp_sr@ijekavianlatin</file>
+        <file>plan2/holiday_ba-srp_sr@latin</file>
+        <file>plan2/holiday_bb_en-gb</file>
+        <file>plan2/holiday_be_fr</file>
+        <file>plan2/holiday_be_nl</file>
+        <file>plan2/holiday_be_wa</file>
+        <file>plan2/holiday_bg_bg</file>
+        <file>plan2/holiday_br_pt-br</file>
+        <file>plan2/holiday_by_be</file>
+        <file>plan2/holiday_ca-qc_fr</file>
+        <file>plan2/holiday_ca_en-gb</file>
+        <file>plan2/holiday_ch_de</file>
+        <file>plan2/holiday_ch_fr</file>
+        <file>plan2/holiday_ch_it</file>
+        <file>plan2/holiday_cl_es</file>
+        <file>plan2/holiday_cm_en</file>
+        <file>plan2/holiday_cm_fr</file>
+        <file>plan2/holiday_cn_zh-cn</file>
+        <file>plan2/holiday_co_es</file>
+        <file>plan2/holiday_cr_en</file>
+        <file>plan2/holiday_cr_es</file>
+        <file>plan2/holiday_cz_cs</file>
+        <file>plan2/holiday_de-by_de</file>
+        <file>plan2/holiday_de_de</file>
+        <file>plan2/holiday_dk_da</file>
+        <file>plan2/holiday_dz_ar</file>
+        <file>plan2/holiday_dz_fr</file>
+        <file>plan2/holiday_ee_et</file>
+        <file>plan2/holiday_eg_ar</file>
+        <file>plan2/holiday_es-ct_ca</file>
+        <file>plan2/holiday_es_es</file>
+        <file>plan2/holiday_fi_fi</file>
+        <file>plan2/holiday_fr_fr</file>
+        <file>plan2/holiday_gb-eaw_en-gb</file>
+        <file>plan2/holiday_gb-nir_en-gb</file>
+        <file>plan2/holiday_gb-sct_en-gb</file>
+        <file>plan2/holiday_gf_fr</file>
+        <file>plan2/holiday_gp_fr</file>
+        <file>plan2/holiday_gr_el</file>
+        <file>plan2/holiday_gr_el_nameday</file>
+        <file>plan2/holiday_gt_es</file>
+        <file>plan2/holiday_hk_en-gb</file>
+        <file>plan2/holiday_hk_zh-cn</file>
+        <file>plan2/holiday_hr_hr</file>
+        <file>plan2/holiday_hu_hu</file>
+        <file>plan2/holiday_id_en-us</file>
+        <file>plan2/holiday_id_id</file>
+        <file>plan2/holiday_ie_en-gb</file>
+        <file>plan2/holiday_ie_ga</file>
+        <file>plan2/holiday_il_en-us</file>
+        <file>plan2/holiday_il_he</file>
+        <file>plan2/holiday_in_en-gb</file>
+        <file>plan2/holiday_ir_en-us</file>
+        <file>plan2/holiday_ir_fa</file>
+        <file>plan2/holiday_is_is</file>
+        <file>plan2/holiday_it-bz_de</file>
+        <file>plan2/holiday_it_it</file>
+        <file>plan2/holiday_jm_en-gb</file>
+        <file>plan2/holiday_jp_en-us</file>
+        <file>plan2/holiday_jp_ja</file>
+        <file>plan2/holiday_kr_ko</file>
+        <file>plan2/holiday_kz_kk</file>
+        <file>plan2/holiday_kz_ru</file>
+        <file>plan2/holiday_lt_lt</file>
+        <file>plan2/holiday_lu_fr</file>
+        <file>plan2/holiday_lu_lb</file>
+        <file>plan2/holiday_lv_lv</file>
+        <file>plan2/holiday_ma_ar</file>
+        <file>plan2/holiday_ma_fr</file>
+        <file>plan2/holiday_mq_fr</file>
+        <file>plan2/holiday_mu_en</file>
+        <file>plan2/holiday_mx_es</file>
+        <file>plan2/holiday_na_en-gb</file>
+        <file>plan2/holiday_nc_fr</file>
+        <file>plan2/holiday_nl_nl</file>
+        <file>plan2/holiday_no_nb</file>
+        <file>plan2/holiday_no_nn</file>
+        <file>plan2/holiday_nz_en-gb</file>
+        <file>plan2/holiday_pa_en</file>
+        <file>plan2/holiday_pa_es</file>
+        <file>plan2/holiday_pe_es</file>
+        <file>plan2/holiday_pf_fr</file>
+        <file>plan2/holiday_pl_pl</file>
+        <file>plan2/holiday_pt_pt</file>
+        <file>plan2/holiday_py_es</file>
+        <file>plan2/holiday_re_fr</file>
+        <file>plan2/holiday_ro_ro</file>
+        <file>plan2/holiday_rs_sr</file>
+        <file>plan2/holiday_rs_sr@ijekavian</file>
+        <file>plan2/holiday_rs_sr@ijekavianlatin</file>
+        <file>plan2/holiday_rs_sr@latin</file>
+        <file>plan2/holiday_ru_ru</file>
+        <file>plan2/holiday_se_sv</file>
+        <file>plan2/holiday_sg_en-gb</file>
+        <file>plan2/holiday_si_sl</file>
+        <file>plan2/holiday_sk_sk</file>
+        <file>plan2/holiday_sm_it</file>
+        <file>plan2/holiday_th_en-gb</file>
+        <file>plan2/holiday_tr_en-gb</file>
+        <file>plan2/holiday_tr_tr</file>
+        <file>plan2/holiday_ua_uk</file>
+        <file>plan2/holiday_us_en-us</file>
+        <file>plan2/holiday_uy_es</file>
+        <file>plan2/holiday_wf_fr</file>
+        <file>plan2/holiday_yt_fr</file>
+        <file>plan2/holiday_za_en-gb</file>
+    </qresource>
+</RCC>
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -21,6 +21,7 @@
   parsers/plan2/holidayparserdriverplan.cpp
   parsers/plan2/holidayparserplan.cpp
   ${kholidays_QM_LOADER}
+  ../holidays/holidays.qrc
 )
 
 add_library(KF5Holidays ${kholidays_SRCS})
diff --git a/src/holidayregion.cpp b/src/holidayregion.cpp
--- a/src/holidayregion.cpp
+++ b/src/holidayregion.cpp
@@ -726,7 +726,8 @@
 
 static QStringList allHolidayFiles(const QString &location = QString())
 {
-    const QStringList dirs = QStandardPaths::locateAll(QStandardPaths::GenericDataLocation,
+    QStringList dirs{ QStringLiteral(":/org.kde.kholidays/plan2") };
+    dirs += QStandardPaths::locateAll(QStandardPaths::GenericDataLocation,
                              QStringLiteral("kf5/libkholidays/plan2"),
                              QStandardPaths::LocateDirectory);
     QStringList files;
@@ -746,9 +747,16 @@
         mRegionCode(regionCode)
     {
         if (!mRegionCode.isEmpty()) {
-            mHolidayFile.setFile(
-                QStandardPaths::locate(QStandardPaths::GenericDataLocation,
-                                       QLatin1String("kf5/libkholidays/plan2/holiday_") + mRegionCode));
+            auto file = QStandardPaths::locate(QStandardPaths::GenericDataLocation,
+                                       QLatin1String("kf5/libkholidays/plan2/holiday_") + mRegionCode);
+            if (!file.isEmpty()) {
+                mHolidayFile.setFile(file);
+            } else {
+                file = QStringLiteral(":/org.kde.kholidays/plan2/holiday_") + mRegionCode;
+                if (QFile::exists(file)) {
+                    mHolidayFile.setFile(file);
+                }
+            }
         }
 
         init();