diff --git a/docs.spec b/docs.spec
index d55cfca..b387712 100644
--- a/docs.spec
+++ b/docs.spec
@@ -7,7 +7,7 @@
 %define variants docs-office-server docs-backup-server docs-desktop docs-school-master docs-school-junior docs-school-lite docs-school-server docs-kdesktop docs-school-terminal docs-school-newlite docs-centaurus docs-simply-linux docs-lxdesktop docs-lxdesktop-lite docs-school-teacher docs-alt-education docs-alt-kworkstation docs-alt-server docs-alt-workstation docs-alt-spworkstation docs-alt-server-v
 
 Name: docs-%variant
-Version: 9.2
+Version: 10.0
 Release: alt1
 
 Summary: %Variant documentation
@@ -24,6 +24,7 @@ Conflicts: %(for n in %variants ; do [ "$n" = %name ] || echo -n "$n "; done)
 BuildRequires(pre):rpm-build-licenses
 BuildRequires: publican
 BuildRequires: perl-podlators
+BuildRequires: libwebp-tools
 
 %description
 %Variant documentation.
@@ -37,12 +38,18 @@ BuildRequires: perl-podlators
 %install
 %make_install DESTDIR=%buildroot docdir=%_docsinstalldir install
 ln -s $(relative %_docsinstalldir %_documentationdir) %buildroot%_documentationdir
+sed -i 's/src="images\/\(.*\).png"/src="images\/\1.webp"/g' %buildroot%_docsinstalldir/ru-RU/index.html
+for file in %buildroot%_docsinstalldir/ru-RU/images/*.png; do cwebp $file -o %buildroot%_docsinstalldir/ru-RU/images/$(basename $file .png).webp -quiet && rm $file; done
 
 %files
 %_docsinstalldir
 %_documentationdir
 
 %changelog
+* Tue Dec 28 2021 Elena Mishina <lepata@altlinux.org> 10.0-alt1
+- update to ALT Server V 10.0beta
+- reduce package size
+
 * Mon Aug 02 2021 Elena Mishina <lepata@altlinux.org> 9.2-alt1
 - update to ALT Server V 9.2
 
diff --git a/ru-RU/Book_Info.xml b/ru-RU/Book_Info.xml
index f3ed439..68312e2 100644
--- a/ru-RU/Book_Info.xml
+++ b/ru-RU/Book_Info.xml
@@ -8,7 +8,7 @@
     <title>Документация</title>
     <subtitle>Руководство пользователя</subtitle>
     <productname>&DISTRO_RU;</productname>
-    <productnumber>10.0beta</productnumber>
+    <productnumber>10.0</productnumber>
     <edition>декабрь, 2021</edition>
     <!--
     <pubsnumber>0</pubsnumber>