diff --git a/app/ui/dialogs.glade b/app/ui/dialogs.glade
index 205afeff..e5af4fb2 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">3.9.0 Beta</property>
+    <property name="version">3.9.1 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 ae41b1d2..2764ba84 100644
--- a/app/ui/main.glade
+++ b/app/ui/main.glade
@@ -1722,7 +1722,7 @@ Author: Dmitriy Yefremov
                               <object class="GtkLabel" id="app_ver_label">
                                 <property name="visible">True</property>
                                 <property name="can-focus">False</property>
-                                <property name="label">3.9.0 Beta</property>
+                                <property name="label">3.9.1 Beta</property>
                                 <attributes>
                                   <attribute name="weight" value="bold"/>
                                 </attributes>
diff --git a/build/linux/build-deb.sh b/build/linux/build-deb.sh
index 740b6ee5..7f07ae9f 100755
--- a/build/linux/build-deb.sh
+++ b/build/linux/build-deb.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-VER="3.9.0_Beta"
+VER="3.9.1_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 9a5d9442..9c7402fe 100644
--- a/build/linux/deb/DEBIAN/control
+++ b/build/linux/deb/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: demon-editor
-Version: 3.9.0-Beta
+Version: 3.9.1-Beta
 Section: utils
 Priority: optional
 Architecture: all
diff --git a/build/mac/DemonEditor.spec b/build/mac/DemonEditor.spec
index 1675c1b9..df40963e 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"3.9.0.{BUILD_DATE} Beta",
+                 'CFBundleShortVersionString': f"3.9.1.{BUILD_DATE} Beta",
                  'NSHumanReadableCopyright': u"Copyright © 2024, Dmitriy Yefremov",
                  'NSRequiresAquaSystemAppearance': 'false',
                  'NSHighResolutionCapable': 'true'