diff --git a/adminer/include/version.inc.php b/adminer/include/version.inc.php
index 0fcd23a4..2f777f12 100644
--- a/adminer/include/version.inc.php
+++ b/adminer/include/version.inc.php
@@ -1,2 +1,2 @@
 <?php
-$VERSION = "3.3.0";
+$VERSION = "3.3.1-dev";