diff --git a/build.xml b/build.xml
index 426607a..8b64cbf 100644
--- a/build.xml
+++ b/build.xml
@@ -251,6 +251,10 @@ Options:
 		<move file="${tmp}/${archivename}/themes/blackcandy/blackcandy_calendar" todir="${tmp}/${archivename}/themes" haltonerror='false' />
 		<move file="${tmp}/${archivename}/themes/blackcandy/blackcandy" todir="${tmp}/${archivename}/themes" haltonerror='false' />
 
+		<!-- Write version info to the core folders (shouldn't be in version control) -->
+		<echo msg="${version}" file="${tmp}/${archivename}/sapphire/silverstripe_version" />
+		<echo msg="${version}" file="${tmp}/${archivename}/cms/silverstripe_version" />
+
 		<!-- create tar archive -->
 		<if>
 			<equals arg1="${archivetype}" arg2="tar.gz" casesensitive="false" trim="true"/>