diff --git a/build.gradle b/build.gradle
index fdc2869..3d2c10d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,4 +1,6 @@
+def releaseVersion = "0.7.14"
 task oxt(type: Zip) {
+   dependsOn = [ 'setVersion' ]
    from './'
    include '*'
    include '*/*'
@@ -12,3 +14,11 @@ task oxt(type: Zip) {
    exclude 'cleanAndValidate.ox2'
    archiveName 'cleanAndValidate.oxt'
 }
+
+task setVersion(){
+   ant.taskdef(name: 'xmltask', classpath: 'buildPlugins/xmltask.jar', classname: 'com.oopsconsultancy.xmltask.ant.XmlTask')
+   ant.xmltask(source: 'description.xml', dest: 'description.xml', report:'true') {
+     replace(path: "//*[local-name()='version']/@value", withText: "${releaseVersion}")
+   }
+}
+
diff --git a/buildPlugins/xmltask.jar b/buildPlugins/xmltask.jar
new file mode 100644
index 0000000..b815813
Binary files /dev/null and b/buildPlugins/xmltask.jar differ
diff --git a/description.xml b/description.xml
index 067a393..b4b5924 100644
--- a/description.xml
+++ b/description.xml
@@ -1,40 +1,37 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<description xmlns="http://openoffice.org/extensions/description/2006"
-             xmlns:dep="http://openoffice.org/extensions/description/2006"
-             xmlns:xlink="http://www.w3.org/1999/xlink">
-  <identifier value="pro.litvinovg.Redaction" />
-  <version value="0.7.14" />
-  <platform value="all" />
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<description xmlns="http://openoffice.org/extensions/description/2006" xmlns:dep="http://openoffice.org/extensions/description/2006" xmlns:xlink="http://www.w3.org/1999/xlink">
+  <identifier value="pro.litvinovg.Redaction"/>
+  <version value="0.7.14"/>
+  <platform value="all"/>
   <display-name>
     <name lang="en">Cleaning and validation documents for publishing in html and epub with pagination</name>
     <name lang="ru">Чистка и проверка документов для издания в html и epub с сохранением пагинации</name>
   </display-name>
   <registration>
-    <simple-license accept-by="admin" suppress-on-update="true" suppress-if-required="true" >
-      <license-text xlink:href="license_en.txt" lang="en" />
-      <license-text xlink:href="license_ru.txt" lang="ru" />
+    <simple-license accept-by="admin" suppress-if-required="true" suppress-on-update="true">
+      <license-text lang="en" xlink:href="license_en.txt"/>
+      <license-text lang="ru" xlink:href="license_ru.txt"/>
     </simple-license>
   </registration>
   <dependencies>
-    <OpenOffice.org-minimal-version value="4.1" dep:name="OpenOffice.org, LibreOffice 4.1 or later" />
+    <OpenOffice.org-minimal-version dep:name="OpenOffice.org, LibreOffice 4.1 or later" value="4.1"/>
   </dependencies>
   <update-information>
-    <src xlink:href="https://dev.litvinovg.pro/litvinovg/cleanandvalidate/-/raw/master/cleanandvalidate.update.xml" />
+    <src xlink:href="https://dev.litvinovg.pro/litvinovg/cleanandvalidate/-/raw/master/cleanandvalidate.update.xml"/>
   </update-information>
   <publisher>
-    <name xlink:href="mailto:public@litvinovg.pro" lang="en">Georgy Litvinov</name>
+    <name lang="en" xlink:href="mailto:public@litvinovg.pro">Georgy Litvinov</name>
   </publisher>
   <release-notes>
-    <src xlink:href="releasenotes.txt" lang="en" />
+    <src lang="en" xlink:href="releasenotes.txt"/>
   </release-notes>
   <extension-description>
-    <src xlink:href="description/description_ru.txt" lang="ru" />
-    <src xlink:href="description/description_en.txt" lang="en" />
+    <src lang="ru" xlink:href="description/description_ru.txt"/>
+    <src lang="en" xlink:href="description/description_en.txt"/>
   </extension-description>
   
   <icon>
-    <default xlink:href="icons/addon_icon.png" />
-    <high-contrast xlink:href="icons/addon_icon.png" />
+    <default xlink:href="icons/addon_icon.png"/>
+    <high-contrast xlink:href="icons/addon_icon.png"/>
   </icon>
 </description>
-