diff --git a/CHANGES b/CHANGES
index 56028fde7..55ed1666d 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,4 @@
-Pre-release
+Version 4.3.4 - 14 August 2023
     - Docker update, see the ["docker/"] directory
     - Fix in ["types.hpp"] for defaulting types when not using CMake
 
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9a9f5dc50..ce59bde0e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,5 @@
 cmake_minimum_required(VERSION 3.15)
-set(QPP_VERSION_NUM 4.3.3)
+set(QPP_VERSION_NUM 4.3.4)
 set(QPP_VERSION_STR "${QPP_VERSION_NUM}")
 project(qpp VERSION ${QPP_VERSION_NUM} LANGUAGES CXX)
 set(CMAKE_CXX_STANDARD 17)
diff --git a/Doxyfile b/Doxyfile
index 7aa36f475..3060de8bc 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -48,7 +48,7 @@ PROJECT_NAME           = Quantum++
 # could be handy for archiving the generated documentation or if some version
 # control system is used.
 
-PROJECT_NUMBER         = v4.3.3
+PROJECT_NUMBER         = v4.3.4
 
 # Using the PROJECT_BRIEF tag one can provide an optional one line description
 # for a project that appears at the top of each page and should give viewer a
diff --git a/README.md b/README.md
index dd78677b0..0f2d1c824 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # Quantum++
 
-## Version 4.3.3 - 8 August 2023
+## Version 4.3.4 - 14 August 2023
 
 [![GitHub actions](https://github.com/softwareqinc/qpp/actions/workflows/cmake.yml/badge.svg)](https://github.com/softwareQinc/qpp/actions)
 
diff --git a/VERSION b/VERSION
index 93c9b269b..6654c7ec8 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-Version 4.3.3 - 8 August 2023
+Version 4.3.4 - 14 August 2023
diff --git a/pyproject.toml b/pyproject.toml
index b1a633d58..0a8eaef0b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "pyqpp"
-version = "4.3.3"
+version = "4.3.4"
 description = "Python 3 wrapper for Quantum++"
 authors = [
     { name = "softwareQ Inc.", email = "info@softwareq.ca" },