diff --git a/CHANGELOG.md b/CHANGELOG.md
index 46f0d3d..e1da797 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 4.3.12 (unreleased)
+
+
+- Nothing changed yet.
+
+
 ## 4.3.11 (2024-12-18)
 
 
diff --git a/VERSION b/VERSION
index 4d827cd..6307dc3 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.3.11
+4.3.12.dev0