diff --git a/build.xml.dist b/build.xml.dist
index c67616b5..ea115c6a 100644
--- a/build.xml.dist
+++ b/build.xml.dist
@@ -151,7 +151,7 @@
     <target name="version">
         <exec executable="php" checkreturn="true">
             <arg value="-r" />
-            <arg value="file_put_contents('contao-manager.version', json_encode(['version' => '${version}', 'sha1' => sha1_file('contao-manager.phar'), 'requires' => ['php' => '^7.2.5 || ^8.0']]));" />
+            <arg value="file_put_contents('contao-manager.version', json_encode(['version' => '${version}', 'build-date' => date('c'), 'sha1' => sha1_file('contao-manager.phar'), 'requires' => ['php' => '^7.2.5 || ^8.0']]));" />
         </exec>
     </target>
 </project>