diff --git a/build/build.xml b/build/build.xml
index 0334bd6c2f..5252f74f5a 100644
--- a/build/build.xml
+++ b/build/build.xml
@@ -207,6 +207,8 @@
 		<phingcall target="sign-packages">
 			<property name="dir" value="build/new_version/release_files" />
 		</phingcall>
+
+		<exec dir="build" command="php generate_package_json.php > new_version/packages.json"/>
 	</target>
 
 	<target name="checksum-dir">
diff --git a/build/generate_package_json.php b/build/generate_package_json.php
index fc67485136..29ad4fd64f 100644
--- a/build/generate_package_json.php
+++ b/build/generate_package_json.php
@@ -120,6 +120,12 @@ function phpbb_add_package_file(array &$package_list, $name, $file_name, $type,
 		$filedata->filesize = filesize($file_path);
 		$filedata->checksum = trim(preg_replace('/(^\w+)(.+)/', '$1', file_get_contents($file_path . '.sha256')));
 		$filedata->filetype = $extension;
+
+		if (file_exists($file_path . '.sig'))
+		{
+			$filedata->signature = trim(file_get_contents($file_path . '.sig'));
+		}
+
 		$package_file->files[] = $filedata;
 	}