diff --git a/app/ui/dialogs.glade b/app/ui/dialogs.glade
index c6e14839..62ebeb05 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">0.4.9 Pre-alpha</property>
+    <property name="version">1.0.0 Alpha</property>
     <property name="copyright">2018-2020 Dmitriy Yefremov
 </property>
     <property name="comments" translatable="yes">Enigma2 channel and satellites list editor for GNU/Linux</property>
diff --git a/app/ui/main_window.glade b/app/ui/main_window.glade
index c262096c..f3ac7389 100644
--- a/app/ui/main_window.glade
+++ b/app/ui/main_window.glade
@@ -2902,7 +2902,7 @@ Author: Dmitriy Yefremov
               <object class="GtkLabel" id="app_ver_label">
                 <property name="visible">True</property>
                 <property name="can_focus">False</property>
-                <property name="label" translatable="yes">0.4.9 Pre-alpha</property>
+                <property name="label" translatable="yes">1.0.0 Alpha</property>
                 <attributes>
                   <attribute name="weight" value="bold"/>
                 </attributes>
diff --git a/build-deb.sh b/build-deb.sh
index 57e31bc3..5ef6023e 100755
--- a/build-deb.sh
+++ b/build-deb.sh
@@ -1,5 +1,5 @@
 #!/bin/bash
-VER="0.4.9_Pre-alpha"
+VER="1.0.0_Alpha"
 B_PATH="dist/DemonEditor"
 DEB_PATH="$B_PATH/usr/share/demoneditor"
 
diff --git a/deb/DEBIAN/control b/deb/DEBIAN/control
index d9e714ff..c438296d 100644
--- a/deb/DEBIAN/control
+++ b/deb/DEBIAN/control
@@ -1,5 +1,5 @@
 Package: demon-editor
-Version: 0.4.9-Pre-alpha
+Version: 1.0.0-Alpha
 Section: utils
 Priority: optional
 Architecture: all