diff --git a/calendar/installer/windows/browser.jst b/calendar/installer/windows/browser.jst
index b9c622d72d6..bd133888f80 100644
--- a/calendar/installer/windows/browser.jst
+++ b/calendar/installer/windows/browser.jst
@@ -502,7 +502,7 @@ if(verifyDiskSpace(fProgram, srDest))
       logComment("performInstall() returned: " + err);
       if (! ('buildID' in Install))
       {
-        logComment("Running Pre-Mozilla 0.2+");
+        logComment("Running Pre-Mozilla 0.3a1");
         initInstall("Post-install Cleanup Utility", "Calendar/xpicleanup", "$Version$");
         cleanupUtility = getFolder(fProgram, "xpicleanup.exe");
         err = File.execute(cleanupUtility);
diff --git a/calendar/installer/windows/installer.cfg b/calendar/installer/windows/installer.cfg
index 30d5bc27212..614af07289d 100644
--- a/calendar/installer/windows/installer.cfg
+++ b/calendar/installer/windows/installer.cfg
@@ -3,7 +3,7 @@ NameCompany               = Mozilla
 NameProduct               = Mozilla Sunbird
 NameProductInternal       = Mozilla Sunbird
 ShortNameProduct          = Sunbird
-VersionProduct            = 0.2+
+VersionProduct            = 0.3a1
 FileInstallerEXE          = SunbirdSetup.exe
 FileMainEXE               = sunbird.exe
 FileUninstall             = UninstallSunbird.exe
diff --git a/calendar/sunbird/app/module.ver b/calendar/sunbird/app/module.ver
index cd4e859dcd3..973cc3abe17 100644
--- a/calendar/sunbird/app/module.ver
+++ b/calendar/sunbird/app/module.ver
@@ -1,7 +1,7 @@
 WIN32_MODULE_COMPANYNAME=Mozilla
 WIN32_MODULE_COPYRIGHT=ŠSunbird and Mozilla Developers, according to the MPL 1.1/GPL 2.0/LGPL 2.1 licenses, as applicable.
-WIN32_MODULE_FILEVERSION=0,2,0,0
-WIN32_MODULE_FILEVERSION_STRING=0.2+
+WIN32_MODULE_FILEVERSION=0,2,8,0
+WIN32_MODULE_FILEVERSION_STRING=0.3a1
 WIN32_MODULE_TRADEMARKS=Blah
 WIN32_MODULE_DESCRIPTION=Sunbird
 WIN32_MODULE_PRODUCTNAME=Sunbird
diff --git a/calendar/sunbird/config/version.txt b/calendar/sunbird/config/version.txt
index 0eeb910a2b5..a9f476710d3 100644
--- a/calendar/sunbird/config/version.txt
+++ b/calendar/sunbird/config/version.txt
@@ -1 +1 @@
-0.2+
+0.3a1