diff --git a/README.md b/README.md
index 12bf115e..3c8019bb 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,7 @@ Clipboard is **"rubber"**. There is an accumulation before the insertion!
 For **multiple** selection with the mouse, press and hold the **Ctrl** key!
 
 ## Minimum requirements
-*Python >= 3.5.2, GTK+ >= 3.22, python3-gi, python3-gi-cairo, python3-requests.*
+*Python >= 3.6, GTK+ >= 3.22, python3-gi, python3-gi-cairo, python3-requests.*
 
 ***Optional:** python3-pil, python3-chardet.*                      
 ## Installation and Launch
diff --git a/app/ui/dialogs.glade b/app/ui/dialogs.glade
index 26706ec9..d36fb7b9 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">1.0.10 Beta</property>
+    <property name="version">2.0.0 Alpha</property>
     <property name="copyright">2018-2021 Dmitriy Yefremov
 </property>
     <property name="comments" translatable="yes">Enigma2 channel and satellite list editor for GNU/Linux.</property>
@@ -63,7 +63,7 @@ Author: Dmitriy Yefremov
         <property name="orientation">vertical</property>
         <property name="spacing">2</property>
         <child internal-child="action_area">
-          <object class="GtkButtonBox" id="aboutdialog_action_area">
+          <object class="GtkButtonBox" id="about_dialog_action_area">
             <property name="can_focus">False</property>
             <property name="layout_style">end</property>
           </object>
diff --git a/app/ui/main_window.glade b/app/ui/main_window.glade
index 0c635ccf..543bef53 100644
--- a/app/ui/main_window.glade
+++ b/app/ui/main_window.glade
@@ -3274,7 +3274,7 @@ Author: Dmitriy Yefremov
                   <object class="GtkLabel" id="app_ver_label">
                     <property name="visible">True</property>
                     <property name="can_focus">False</property>
-                    <property name="label">1.0.10 Beta</property>
+                    <property name="label">2.0.0 Alpha</property>
                     <attributes>
                       <attribute name="weight" value="bold"/>
                     </attributes>
diff --git a/build-deb.sh b/build-deb.sh
index bccd599a..6defb9e0 100755
--- a/build-deb.sh
+++ b/build-deb.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-VER="1.0.10_Beta"
+VER="2.0.0_Alpha"
 B_PATH="dist/DemonEditor"
 DEB_PATH="$B_PATH/usr/share/demoneditor"
 
diff --git a/deb/DEBIAN/README.source b/deb/DEBIAN/README.source
index 9db56966..aa5752ef 100644
--- a/deb/DEBIAN/README.source
+++ b/deb/DEBIAN/README.source
@@ -1,7 +1,7 @@
 demon-editor for Debian
 ----------------------
 DemonEditor
-Enigma2 channel and satellites list editor for GNU/Linux.
+Enigma2 channel and satellite list editor for GNU/Linux.
 
 Experimental support of Neutrino-MP or others on the same basis (BPanther, etc).
 Focused on the convenience of working in lists from the keyboard. The mouse is also fully supported (Drag and Drop etc).
@@ -45,7 +45,7 @@ Keyboard shortcuts:
     For multiple selection with the mouse, press and hold the Ctrl key!
 
 Minimum requirements:
-    Python >= 3.5.2, GTK+ >= 3.22, python3-gi, python3-gi-cairo, python3-requests.
+    Python >= 3.6, GTK+ >= 3.22, python3-gi, python3-gi-cairo, python3-requests.
 
 Important:
     Terrestrial(DVB-T/T2) and cable(DVB-C) channels are only supported for Enigma2!
diff --git a/deb/DEBIAN/control b/deb/DEBIAN/control
index 28a4cc22..7451d7b2 100644
--- a/deb/DEBIAN/control
+++ b/deb/DEBIAN/control
@@ -1,10 +1,10 @@
 Package: demon-editor
-Version: 1.0.10-Beta
+Version: 2.0.0-Alpha
 Section: utils
 Priority: optional
 Architecture: all
 Essential: no
-Depends: python3 (>= 3.5),
+Depends: python3 (>= 3.6),
          python3-requests,
          python3-gi,
          python3-gi-cairo