diff --git a/NEWS b/NEWS
index 2c24d5d4..19bf3b25 100644
--- a/NEWS
+++ b/NEWS
@@ -59,6 +59,11 @@ New features and significant bug fixes:
 
 • Portability to CPU architectures with larger-than-64-bit pointers
 
+dbus 1.15.91 (UNRELEASED)
+=========================
+
+...
+
 dbus 1.15.90 (2024-12-06)
 =========================
 
diff --git a/meson.build b/meson.build
index 96121108..1a1e8088 100644
--- a/meson.build
+++ b/meson.build
@@ -21,7 +21,7 @@
 
 project('dbus',
     'c',
-    version: '1.15.90',
+    version: '1.15.91',
     meson_version: '>=0.56',
 )