diff --git a/shared/main.php b/shared/main.php
index 1bb826c..4b453b9 100644
--- a/shared/main.php
+++ b/shared/main.php
@@ -16,7 +16,7 @@ limitations under the License.
 */
 
 function uupApiVersion() {
-    return '1.38.0';
+    return '1.39.0-dev';
 }
 
 require_once dirname(__FILE__).'/auths.php';
diff --git a/shared/utils.php b/shared/utils.php
index 8c9c1cb..390a478 100644
--- a/shared/utils.php
+++ b/shared/utils.php
@@ -179,3 +179,7 @@ function uupApiReadJson($path) {
 function uupApiWriteJson($path, $data) {
     return file_put_contents($path, json_encode($data)."\n");
 }
+
+function uupApiPacksExist($updateId) {
+    return file_exists('packs/'.$updateId.'.json.gz');
+}