diff --git a/app/ui/dialogs.glade b/app/ui/dialogs.glade
index 74702e7c..09bd49e5 100644
--- a/app/ui/dialogs.glade
+++ b/app/ui/dialogs.glade
@@ -40,7 +40,7 @@ Author: Dmitriy Yefremov
     <property name="icon_name">system-help</property>
     <property name="type_hint">normal</property>
     <property name="program_name">DemonEditor</property>
-    <property name="version">3.11.3 Beta</property>
+    <property name="version">3.12.0 Beta</property>
     <property name="copyright">2018-2024 Dmitriy Yefremov
 </property>
     <property name="comments" translatable="yes">Enigma2 channel and satellite list editor.</property>
diff --git a/app/ui/main.glade b/app/ui/main.glade
index 753f2b74..06b919c1 100644
--- a/app/ui/main.glade
+++ b/app/ui/main.glade
@@ -1746,7 +1746,7 @@ Author: Dmitriy Yefremov
                               <object class="GtkLabel" id="app_ver_label">
                                 <property name="visible">True</property>
                                 <property name="can-focus">False</property>
-                                <property name="label">3.11.3 Beta</property>
+                                <property name="label">3.12.0 Beta</property>
                                 <attributes>
                                   <attribute name="weight" value="bold"/>
                                 </attributes>
diff --git a/app/ui/main.py b/app/ui/main.py
index c360de8d..f19e2dab 100644
--- a/app/ui/main.py
+++ b/app/ui/main.py
@@ -79,7 +79,7 @@ from .xml.edit import SatellitesTool
 
 class Application(Gtk.Application):
     """ Main application class. """
-    VERSION = "3.11.3"
+    VERSION = "3.12.0"
 
     SERVICE_MODEL = "services_list_store"
     FAV_MODEL = "fav_list_store"
diff --git a/build/linux/build-deb.sh b/build/linux/build-deb.sh
index cd219fac..257bfee7 100755
--- a/build/linux/build-deb.sh
+++ b/build/linux/build-deb.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-VER="3.11.3_Beta"
+VER="3.12.0_Beta"
 B_PATH="dist/DemonEditor"
 DEB_PATH="$B_PATH/usr/share/demoneditor"
 
diff --git a/build/linux/deb/DEBIAN/control b/build/linux/deb/DEBIAN/control
index e6967907..fc1279ed 100644
--- a/build/linux/deb/DEBIAN/control
+++ b/build/linux/deb/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: demon-editor
-Version: 3.11.3-Beta
+Version: 3.12.0-Beta
 Section: utils
 Priority: optional
 Architecture: all
diff --git a/build/mac/DemonEditor.spec b/build/mac/DemonEditor.spec
index 39418d9a..803b9184 100644
--- a/build/mac/DemonEditor.spec
+++ b/build/mac/DemonEditor.spec
@@ -81,7 +81,7 @@ app = BUNDLE(coll,
                  'CFBundleGetInfoString': "Enigma2 channel and satellite editor",
                  'LSApplicationCategoryType': 'public.app-category.utilities',
                  'LSMinimumSystemVersion': '10.13',
-                 'CFBundleShortVersionString': f"3.11.3.{BUILD_DATE} Beta",
+                 'CFBundleShortVersionString': f"3.12.0.{BUILD_DATE} Beta",
                  'NSHumanReadableCopyright': u"Copyright © 2024, Dmitriy Yefremov",
                  'NSRequiresAquaSystemAppearance': 'false',
                  'NSHighResolutionCapable': 'true'