diff --git a/kiwixbuild/dependencies/flatpak.py b/kiwixbuild/dependencies/flatpak.py
index c17e71a..3e32a98 100644
--- a/kiwixbuild/dependencies/flatpak.py
+++ b/kiwixbuild/dependencies/flatpak.py
@@ -8,7 +8,6 @@ pj = os.path.join
 class org_kde(Dependency):
     neutral = False
     name = 'org.kde'
-    version = '5.11'
 
     Source = NoopSource
 
@@ -26,7 +25,7 @@ class org_kde(Dependency):
             command = command.format(
                 remote_name = 'flathub',
                 name = self.target.name,
-                version = self.target.version
+                version = self.target.version()
             )
             run_command(command, self.buildEnv.build_dir, context, buildEnv=self.buildEnv)
 
@@ -34,4 +33,3 @@ class org_kde(Dependency):
             self.command('setup_remote', self._setup_remote)
             self.command('install_sdk', self._install_sdk)
 
-     
diff --git a/kiwixbuild/flatpak_builder.py b/kiwixbuild/flatpak_builder.py
index bc0c727..b750309 100644
--- a/kiwixbuild/flatpak_builder.py
+++ b/kiwixbuild/flatpak_builder.py
@@ -7,6 +7,7 @@ from .platforms import PlatformInfo
 from .utils import remove_duplicates, run_command, StopBuild, Context
 from .dependencies import Dependency
 from .packages import PACKAGE_NAME_MAPPERS
+from .versions import base_deps_versions
 from ._global import (
     neutralEnv, option,
     add_target_step, get_target_step, target_steps,
@@ -28,7 +29,7 @@ from shutil import copyfile
 MANIFEST = {
     'app-id': 'org.kiwix.desktop',
     'runtime': 'org.kde.Platform',
-    'runtime-version': '5.11',
+    'runtime-version': base_deps_versions['org.kde'],
     'sdk': 'org.kde.Sdk',
     'command': 'kiwix-desktop',
     'rename-icon': 'kiwix-desktop',
diff --git a/kiwixbuild/versions.py b/kiwixbuild/versions.py
index b34524d..1048da7 100644
--- a/kiwixbuild/versions.py
+++ b/kiwixbuild/versions.py
@@ -55,4 +55,5 @@ base_deps_versions = {
   'android-ndk' : 'r13b',
   'qt' : '5.10.1',
   'qtwebengine' : '5.10.1',
+  'org.kde' : '5.12',
 }