diff --git a/CMakeLists.txt b/CMakeLists.txt
index 894af1654220c0af6201ad9cd835b469da57b898..bcb8f0ee92d0c1824003e80eae0aae509f127607 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@
 cmake_minimum_required(VERSION 3.15)
 option(CMAKE_EXPORT_COMPILE_COMMANDS "Enable/Disable output of compile_commands.json" ON)
 
-project(Lbcom VERSION 37.8
+project(Lbcom VERSION 37.9
         LANGUAGES CXX)
 
 # Enable testing with CTest/CDash
diff --git a/ReleaseNotes/v37r9.md b/ReleaseNotes/v37r9.md
new file mode 100644
index 0000000000000000000000000000000000000000..f4ab8e5f1700869d55dc4e684573d6983bb15727
--- /dev/null
+++ b/ReleaseNotes/v37r9.md
@@ -0,0 +1,35 @@
+2025-08-10 Lbcom v37r9
+===
+
+This version uses
+LHCb [v57r9](../../../../LHCb/-/tags/v57r9),
+Detector [v3r3p2](../../../../Detector/-/tags/v3r3p2),
+Gaudi [v39r4](../../../../Gaudi/-/tags/v39r4) and
+LCG [106c](http://lcginfo.cern.ch/release/106c/) with ROOT 6.32.10.
+
+This version is released on the `2025-patches` branch.
+Built relative to Lbcom [v37r8](/../../tags/v37r8), with the following changes:
+
+### New features ~"new feature"
+
+
+
+### Fixes ~"bug fix" ~workaround
+
+
+
+### Enhancements ~enhancement
+
+
+
+### Code cleanups and changes to tests ~modernisation ~cleanup ~testing
+
+
+
+### Documentation ~Documentation
+
+
+### Other
+
+- Revert "Merge branch 'release-v37r8p1' into '2025-patches'", !868 (@msaur)
+- Prepare Lbcom v37r8p1, !867 (@msaur)