diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5217525356..d3bd23ad82 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@
 cmake_minimum_required(VERSION 3.4)
 
 set(CMAKE_USER_MAKE_RULES_OVERRIDE_CXX "${CMAKE_CURRENT_SOURCE_DIR}/cmake/cxx_compiler_flags_overrides.cmake")
-project(Z3 VERSION 4.10.0.0 LANGUAGES CXX)
+project(Z3 VERSION 4.10.1.0 LANGUAGES CXX)
 
 ################################################################################
 # Project version
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index ac430374b3..6a4ce26bf9 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -10,6 +10,10 @@ Version 4.next
     - native word level bit-vector solving.
   - introduction of simple induction lemmas to handle a limited repertoire of induction proofs.
 
+Version 4.10.1
+==============
+- fix implementation of mk_fresh in user propagator for Python API
+
 Version 4.10.0
 ==============
 - Added API Z3_enable_concurrent_dec_ref to be set by interfaces that
diff --git a/scripts/mk_project.py b/scripts/mk_project.py
index 40624fc5d0..16d2c5d0bd 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, 10, 0, 0)
+    set_version(4, 10, 1, 0)
     
 # Z3 Project definition
 def init_project_def():
diff --git a/scripts/nightly.yaml b/scripts/nightly.yaml
index 552c811650..5575a33260 100644
--- a/scripts/nightly.yaml
+++ b/scripts/nightly.yaml
@@ -2,7 +2,7 @@ variables:
 
   Major: '4'
   Minor: '10'
-  Patch: '0'
+  Patch: '1'
   NightlyVersion: $(Major).$(Minor).$(Patch).$(Build.BuildId)-$(Build.DefinitionName)
 
 stages:
diff --git a/scripts/release.yml b/scripts/release.yml
index 042eda657d..13fd849c78 100644
--- a/scripts/release.yml
+++ b/scripts/release.yml
@@ -6,7 +6,7 @@
 trigger: none
 
 variables:
-  ReleaseVersion: '4.10.0'
+  ReleaseVersion: '4.10.1'
 
 stages: