diff --git a/adminer/include/version.inc.php b/adminer/include/version.inc.php
index ceac91d5..4cbf5400 100644
--- a/adminer/include/version.inc.php
+++ b/adminer/include/version.inc.php
@@ -1,2 +1,2 @@
 <?php
-$VERSION = "4.9.0";
+$VERSION = "4.9.1-dev";