diff --git a/CMakeLists.txt b/CMakeLists.txt
index a29c65f442ae1dd4206c51421e7c946cb16b767d..677794dbe1d1c7a487fa53775b4046246253ddd9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,8 +5,8 @@ CMAKE_MINIMUM_REQUIRED(VERSION 2.8.5)
 set(GEANT4_SRCS_REPOSITORY https://gitlab.cern.ch/lhcb/Geant4-srcs.git CACHE STRING "Repository for Geant4 sources")
 
 find_package(GaudiProject)
-gaudi_project(Geant4 v104r2p1
-              DATA Geant4Files VERSION v104r1)
+gaudi_project(Geant4 v105r0
+              DATA Geant4Files VERSION v105r0)
 
 # FIXME: hack for compatibility with CMT build
 file(WRITE ${CMAKE_BINARY_DIR}/dummy.cpp "")
diff --git a/Geant4/G4config/CMakeLists.txt b/Geant4/G4config/CMakeLists.txt
index 027a437cca9de683a5055b3f3f5790cf669c04eb..fb8ceac88e2ae39a7994c305ccf330ef5d69a5a3 100644
--- a/Geant4/G4config/CMakeLists.txt
+++ b/Geant4/G4config/CMakeLists.txt
@@ -30,7 +30,7 @@ if (NOT GEANT4_TAG)
   elseif(CMAKE_PROJECT_VERSION STREQUAL "HEAD")
     # Special mapping of version HEAD
     # WARNING this must be kept up to date manually
-    set(GEANT4_TAG "lhcb/v10.4.2-branch")
+    set(GEANT4_TAG "lhcb/v10.5.0-branch")
   else()
     set(GEANT4_TAG lhcb/${CMAKE_PROJECT_VERSION})
   endif()
diff --git a/ReleaseNotes/v105r0.md b/ReleaseNotes/v105r0.md
new file mode 100644
index 0000000000000000000000000000000000000000..c48bc61004c1dc8673fe81bbcdfc5090c5ffe256
--- /dev/null
+++ b/ReleaseNotes/v105r0.md
@@ -0,0 +1,5 @@
+2019-01-10 Geant4 v105r0
+===
+This release is based on `GEANT4 r10.5.0`, uses `LCG 93` and `Geant4Files v105r0`.
+
+This version is released on `Sim10` branch.