diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3dca26a9b1e38aee5af18a8d432c8816e8a29653..42a05f1580c2a0d79cf039ac57492cf5cedc0e6e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -11,7 +11,7 @@
 
 cmake_minimum_required(VERSION 3.15)
 
-project(Moore VERSION 56.3
+project(Moore VERSION 56.4
         LANGUAGES CXX)
 
 # Enable testing with CTest/CDash
diff --git a/ReleaseNotes/v56r4.md b/ReleaseNotes/v56r4.md
new file mode 100644
index 0000000000000000000000000000000000000000..55cbb1a45816bdeb271e83bb8e49f62dfd7f1e46
--- /dev/null
+++ b/ReleaseNotes/v56r4.md
@@ -0,0 +1,60 @@
+2025-03-17 Moore v56r4
+===
+
+This version uses
+Allen [v5r4](../../../../Allen/-/tags/v5r4),
+Rec [v37r4](../../../../Rec/-/tags/v37r4),
+Lbcom [v36r5](../../../../Lbcom/-/tags/v36r5),
+LHCb [v56r5](../../../../LHCb/-/tags/v56r5),
+Detector [v2r5](../../../../Detector/-/tags/v2r5),
+Gaudi [v39r3](../../../../Gaudi/-/tags/v39r3) and
+LCG [105c](http://lcginfo.cern.ch/release/105c/) with ROOT 6.30.08.
+
+This version is released on the `master` branch.
+Built relative to Moore [v56r3](/../../tags/v56r3), with the following changes:
+
+### New features ~"new feature"
+
+- Upstream project highlights :star:
+
+
+### Fixes ~"bug fix" ~workaround
+
+- Upstream project highlights :star:
+
+
+### Enhancements ~enhancement
+
+- Upstream project highlights :star:
+
+
+### Code cleanups and changes to tests ~modernisation ~cleanup ~testing
+
+- ~"Flavour tagging" | Fix FT tests, enable in DD4HEP Builds, !3561 (@zbai)
+- Upstream project highlights :star:
+
+
+### Documentation ~Documentation
+
+- ~Persistency | Fix mistake in hlt2_guidelines.rst, !4453 (@mveghel)
+- ~Persistency | Improve persistreco documentation, !4449 (@mveghel)
+- [RTADPA BW Tests]: minor fix to BW Test docs, !4427 (@lugrazet)
+### Other
+
+- ~selection | Changed F.BPV to F.OWNPV for Charm WG, !4295 (@aanelli)
+- ~selection | B2OC selections development for 2025, !4230 (@shunan)
+- ~selection ~Functors | Replacing BPV functors by OWNPV version in standard_particles, !4292 (@msaur)
+- Update References for: Detector!669 based on lhcb-master-mr/12841, !4527 (@lhcbsoft)
+- Update References for: Allen!1776 based on lhcb-master-mr/12818, !4512 (@lhcbsoft)
+- Fixing set of warnings ignored in test_hlt2_and_spruce_bandwidth, !4511 (@sponce)
+- Update References for: Moore!4292, DaVinci!1250 based on lhcb-master-mr/12798, !4506 (@lhcbsoft)
+- Update References for: LHCb!4959 based on lhcb-master-mr/12752, !4455 (@lhcbsoft)
+- [RTADPA BW Tests]: Add BW Limits from OPG/PPG, !4452 (@lugrazet)
+- BandQ development for 2025 first reoptimisation, !4070 (@yajing)
+- Update References for: LHCb!4945, Rec!4229, Moore!4378, Panoptes!438 based on lhcb-master-mr/12719, !4429 (@lhcbsoft)
+- Test_lbexec_hlt2_pp_2024_noflagging_mc: Update algorithm hash in QMT file reference block, !4421 (@jonrob)
+- Added options for multithreading and downloading of input files to max combiner test PR test., !4402 (@dmagdali) [lhcb-datapkg/PRConfig#40]
+- Update References for: Rec!4176, Moore!4366 based on lhcb-master-mr/12632, !4398 (@lhcbsoft)
+- Adapt RICH data monitoring to downstream changes, !4378 (@jonrob)
+- Update the creation of muon standalone tracks for the new hit/cluster treatment, !4366 (@decianm)
+- Update References for: Rec!4079, DaVinci!1228 based on lhcb-master-mr/12646, !4418 (@lhcbsoft)