diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7695a1db..0731b719 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+## Adminer dev
+
 ## Adminer 5.1.0 (released 2025-03-24)
 - Display collation at table structure if different from table
 - Ctrl+click in select moves the cursor in modern browsers
diff --git a/adminer/include/version.inc.php b/adminer/include/version.inc.php
index 7ff3c962..bc07b271 100644
--- a/adminer/include/version.inc.php
+++ b/adminer/include/version.inc.php
@@ -1,4 +1,4 @@
 <?php
 namespace Adminer;
 
-$VERSION = "5.1.0";
+$VERSION = "5.1.1-dev";