diff --git a/CMakeLists.txt b/CMakeLists.txt
index b98360df8..60531ca94 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 cmake_minimum_required(VERSION 3.16)
 
 set(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cxx_compiler_flags_overrides.cmake")
-project(Z3 VERSION 4.12.4.0 LANGUAGES CXX)
+project(Z3 VERSION 4.12.5.0 LANGUAGES CXX)
 
 ################################################################################
 # Project version
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index f0fdc368c..9a7bc1856 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -10,6 +10,9 @@ Version 4.next
     - native word level bit-vector solving.
   - introduction of simple induction lemmas to handle a limited repertoire of induction proofs.
 
+Version 4.12.5
+==============
+
 Version 4.12.4
 ==============
 - Re-release fixing a few issues with 4.12:
diff --git a/scripts/mk_project.py b/scripts/mk_project.py
index 3a3f19fb2..77bb1b680 100644
--- a/scripts/mk_project.py
+++ b/scripts/mk_project.py
@@ -8,7 +8,7 @@
 from mk_util import *
 
 def init_version():
-    set_version(4, 12, 4, 0) # express a default build version or pick up ci build version
+    set_version(4, 12, 5, 0) # express a default build version or pick up ci build version
     
 # Z3 Project definition
 def init_project_def():
diff --git a/scripts/nightly.yaml b/scripts/nightly.yaml
index 3d8f6a5b7..2b1b4ca3d 100644
--- a/scripts/nightly.yaml
+++ b/scripts/nightly.yaml
@@ -1,7 +1,7 @@
 variables:
   Major: '4'
   Minor: '12'
-  Patch: '4'
+  Patch: '5'
   AssemblyVersion: $(Major).$(Minor).$(Patch).$(Build.BuildId)
   NightlyVersion: $(AssemblyVersion)-$(Build.DefinitionName)
 
diff --git a/scripts/release.yml b/scripts/release.yml
index 5f049345c..76f8a8a57 100644
--- a/scripts/release.yml
+++ b/scripts/release.yml
@@ -6,7 +6,7 @@
 trigger: none
 
 variables:
-  ReleaseVersion: '4.12.4'
+  ReleaseVersion: '4.12.5'
 
 stages: