diff --git a/CMakeLists.txt b/CMakeLists.txt
index 56e9a276d8230d3c950add9db01e4041f9f9a850..ef23218af005b483217fa970419c901a14318ef5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -4,7 +4,7 @@ set(GEANT4_SRCS_REPOSITORY https://gitlab.cern.ch/lhcb/Geant4-srcs.git CACHE STR
 set(GEANT4FILES_VERSION v106r1 CACHE STRING "Version for Geant4Files to match Geant4-src version")
 
 find_package(GaudiProject)
-gaudi_project(Geant4 v106r2p4
+gaudi_project(Geant4 v106r2p5
               DATA Geant4Files VERSION ${GEANT4FILES_VERSION})
 
 # Compatibility with standard Geant4 installation
diff --git a/ReleaseNotes/v106r2p5.md b/ReleaseNotes/v106r2p5.md
new file mode 100644
index 0000000000000000000000000000000000000000..8b1dede2d5957338bee88896dad7425f22c706c6
--- /dev/null
+++ b/ReleaseNotes/v106r2p5.md
@@ -0,0 +1,11 @@
+2022-02-04 Geant4 v106r2p5
+===
+This release is based on `GEANT4 r10.6.2`, uses `LCG 101` and `Geant4Files v106r1`.
+
+This version is released on `Sim10` branch.
+
+## Latest Changes
+
+#### General
+**Switched to `LCG 101`
+**[MR !80] Allow include of G4 headers with or without 'Geant4/' prefix
diff --git a/toolchain.cmake b/toolchain.cmake
index 2a643466b75385c2fa95a34e29dc2ff7f53f631a..3d71ea99afa2fd004d2a816f4d63cfb2e630765d 100644
--- a/toolchain.cmake
+++ b/toolchain.cmake
@@ -1,5 +1,5 @@
 # Set the version of HEPTools to use
-set(heptools_version 100)
+set(heptools_version 101)
 
 # this check is needed because the toolchain is called when checking the
 # compiler (without the proper cache)