diff --git a/NEWS.rst b/NEWS.rst
index 5a35bc71b6..5a771b4b2f 100644
--- a/NEWS.rst
+++ b/NEWS.rst
@@ -8,6 +8,20 @@ the changes introduced by each of them.
 For a more fine-grained view, use the `git log`_.
 
 
+v10.4.0 (unreleased)
+====================
+
+* **Security**
+
+* **Removed features**
+
+* **New features**
+
+* **Improvements**
+
+* **Bug fixes**
+
+
 v10.3.0 (2024-05-02)
 ====================
 
diff --git a/meson.build b/meson.build
index 1518afa1cb..2848d5c070 100644
--- a/meson.build
+++ b/meson.build
@@ -1,6 +1,6 @@
 project(
   'libvirt', 'c',
-  version: '10.3.0',
+  version: '10.4.0',
   license: 'LGPLv2+',
   meson_version: '>= 0.56.0',
   default_options: [