diff --git a/SRPMS/virtualbox-extension-pack/distroutils.sysconfig b/SRPMS/virtualbox-extension-pack/distroutils.sysconfig.in
similarity index 77%
rename from SRPMS/virtualbox-extension-pack/distroutils.sysconfig
rename to SRPMS/virtualbox-extension-pack/distroutils.sysconfig.in
index c327292..6562469 100644
--- a/SRPMS/virtualbox-extension-pack/distroutils.sysconfig
+++ b/SRPMS/virtualbox-extension-pack/distroutils.sysconfig.in
@@ -1,7 +1,7 @@
 ## VirtualBox Extension Pack
 
 # package name (do not modify unless you know what you're doing)
-VIRTUALBOX_EXTENSION_PACK_PCK=Oracle_VM_VirtualBox_Extension_Pack-4.1.8.vbox-extpack
+VIRTUALBOX_EXTENSION_PACK_PCK=Oracle_VM_VirtualBox_Extension_Pack-@virtualboxextensionpackver@.vbox-extpack
 
 # package URL (do not modify unless you know what you're doing)
-VIRTUALBOX_EXTENSION_PACK_URL=http://download.virtualbox.org/virtualbox/4.1.8/
+VIRTUALBOX_EXTENSION_PACK_URL=http://download.virtualbox.org/virtualbox/@virtualboxextensionpackver@/
diff --git a/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in b/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
index 40af656..33361f3 100644
--- a/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
+++ b/SRPMS/virtualbox-extension-pack/virtualbox-extension-pack.spec.in
@@ -45,9 +45,9 @@ cp %{S:0} LICENSE
 [ "%{buildroot}" != / ] && rm -rf %{buildroot}
 
 %post
-VBoxManage extpack uninstall Oracle_VM_VirtualBox_Extension_Pack || true
-VBoxManage extpack install /opt/VirtualBox/extension/Oracle_VM_VirtualBox_Extension_Pack-%{pck_majver}%{?pck_minver:%pck_minver}.vbox-extpack
-# --replace not working
+#VBoxManage extpack uninstall Oracle_VM_VirtualBox_Extension_Pack || true
+VBoxManage extpack install /opt/VirtualBox/extension/Oracle_VM_VirtualBox_Extension_Pack-%{pck_majver}%{?pck_minver:%pck_minver}.vbox-extpack --replace
+# not working
 :
 
 %files
diff --git a/SRPMSVERSIONS b/SRPMSVERSIONS
index 2d8df44..fa8d12e 100644
--- a/SRPMSVERSIONS
+++ b/SRPMSVERSIONS
@@ -1,5 +1,5 @@
 FLASHPLUGIN_VERSION=11.2.202.238
 WIN32CODECS_VERSION=20110131
 SKYPE_VERSION=4.0.0.8
-VIRTUALBOX_EXTENSION_PACK_VERSION=4.1.8
+VIRTUALBOX_EXTENSION_PACK_VERSION=4.2.0
 SUN_JAVA7_VERSION=7u6
diff --git a/VERSION b/VERSION
index b81dd52..5da94b6 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-VERSION = 2.3.11.1
+VERSION = 2.3.12