diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2c600745..438b66d1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,5 @@
+## Adminer dev
+
 ## Adminer 5.1.1 (released 2025-04-02)
 - Export: Fix tar (regression from 5.0.3)
 - Select: Allow ordering by COUNT(*) (bug #966, regression from 5.0.2)
diff --git a/adminer/include/version.inc.php b/adminer/include/version.inc.php
index 8e8921bd..bc354f40 100644
--- a/adminer/include/version.inc.php
+++ b/adminer/include/version.inc.php
@@ -1,4 +1,4 @@
 <?php
 namespace Adminer;
 
-const VERSION = "5.1.1";
+const VERSION = "5.1.2-dev";