diff --git a/Makefile b/Makefile
index ce0b36bc4..d55c03e8a 100644
--- a/Makefile
+++ b/Makefile
@@ -39,6 +39,9 @@ quickstart-dev:
 install:
 	php vendor/bin/phing -Dversion=$(VERSION) -Dinstallpath=$(INSTALL_PATH) -Ddomain=dms.seeddms.org install
 
+update:
+	php vendor/bin/phing -Dversion=$(VERSION) -Dinstallpath=$(INSTALL_PATH) -Ddomain=dms.seeddms.org update
+
 unittest:
 	vendor/bin/phing -Dversion=$(VERSION) phpunitfast
 
diff --git a/build.xml b/build.xml
index f2c94aa45..a56c17748 100644
--- a/build.xml
+++ b/build.xml
@@ -301,10 +301,17 @@
 	</target>
 
 	<target name="install" description="Install SeedDMS">
-		<phingcall target="package">
-		</phingcall>
-		<exec executable="tar" passthru="true" checkreturn="true" dir="${installpath}">
-			<arg line="-xzvf ${builddir}/packages/seeddms-quickstart-${version}.tar.gz ${shortversion} --strip-components=1" />
+		<if>
+			<equals arg1="" arg2="${installpath}" />
+			<then><fail msg="Pass install path as property 'installpath'. Ensure this directory exists and is writeable by the user running this build script." /></then>
+		</if>
+		<if>
+			<not><available file="${installpath}"/></not>
+			<then><fail msg="Install path '${installpath}' does not exist." /></then>
+		</if>
+		<phingcall target="package"></phingcall>
+		<exec executable="tar" passthru="false" checkreturn="true" dir="${installpath}">
+			<arg line="-xzvf ${builddir}/packages/seeddms-quickstart-${version}.tar.gz --strip-components=1" />
 		</exec>
 		<copy file="${srcdir}/conf/apache.virtualhost.template" tofile="${installpath}/conf/apache.virtualhost.conf">
 			<filterchain>
@@ -314,11 +321,33 @@
 				</replaceregexp>
 			</filterchain>
 		</copy>
+		<exec executable="bash" passthru="true" dir="${installpath}">
+			<arg value="-c"/>
+			<arg line="'sudo chown www-data:www-data ${installpath}'" />
+		</exec>
 		<exec executable="bash" passthru="true" dir="${installpath}">
 			<arg value="-c"/>
 			<arg line="'sudo chown -R www-data:www-data ${installpath}/data ${installpath}/conf'" />
 		</exec>
 		<echo message="Create a link in /etc/apache2/sites-enabled/" />
-		<echo message="sudo -u www-data ln -s ${installpath}/conf/apache.virtualhost.conf /etc/apache2/sites-enabled/001-seeddms.conf" />
+		<echo message="sudo ln -s ${installpath}/conf/apache.virtualhost.conf /etc/apache2/sites-enabled/001-seeddms.conf" />
+	</target>
+
+	<target name="update" description="Update SeedDMS Installation">
+		<if>
+			<equals arg1="" arg2="${installpath}" />
+			<then><fail msg="Pass install path as property 'installpath'. Ensure this directory exists and is writeable by the user running this build script." /></then>
+		</if>
+		<if>
+			<not><available file="${installpath}"/></not>
+			<then><fail msg="Install path '${installpath}' does not exist." /></then>
+		</if>
+		<phingcall target="package"></phingcall>
+		<exec executable="tar" passthru="false" checkreturn="true" dir="${installpath}">
+			<arg line="-xzvf ${builddir}/packages/seeddms-quickstart-${version}.tar.gz --strip-components=1 ${shortversion}/vendor ${shortversion}/seeddms-${version}" />
+		</exec>
+		<!-- delete file="${installpath}/seeddms" / -->
+		<!-- symlink target="${installpath}/${shortversion}" link="${installpath}/seeddms" relative="true"/ -->
+		<echo message="If you have updated to a newer version of SeedDMS, you will have to adjust the link 'seeddms' pointing to 'seeddms-${version}' in '${installpath}'." />
 	</target>
 </project>