diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3770f41..b5f4c4f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,6 @@
 cmake_minimum_required(VERSION 3.12)
 project("unordered_dense"
-    VERSION 4.4.0
+    VERSION 4.5.0
     DESCRIPTION "A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion"
     HOMEPAGE_URL "https://github.com/martinus/unordered_dense")
 
diff --git a/include/ankerl/unordered_dense.h b/include/ankerl/unordered_dense.h
index 3508097..d14c92e 100644
--- a/include/ankerl/unordered_dense.h
+++ b/include/ankerl/unordered_dense.h
@@ -1,12 +1,12 @@
 ///////////////////////// ankerl::unordered_dense::{map, set} /////////////////////////
 
 // A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion.
-// Version 4.4.0
+// Version 4.5.0
 // https://github.com/martinus/unordered_dense
 //
 // Licensed under the MIT License <http://opensource.org/licenses/MIT>.
 // SPDX-License-Identifier: MIT
-// Copyright (c) 2022-2023 Martin Leitner-Ankerl <martin.ankerl@gmail.com>
+// Copyright (c) 2022-2024 Martin Leitner-Ankerl <martin.ankerl@gmail.com>
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@@ -31,7 +31,7 @@
 
 // see https://semver.org/spec/v2.0.0.html
 #define ANKERL_UNORDERED_DENSE_VERSION_MAJOR 4 // NOLINT(cppcoreguidelines-macro-usage) incompatible API changes
-#define ANKERL_UNORDERED_DENSE_VERSION_MINOR 4 // NOLINT(cppcoreguidelines-macro-usage) backwards compatible functionality
+#define ANKERL_UNORDERED_DENSE_VERSION_MINOR 5 // NOLINT(cppcoreguidelines-macro-usage) backwards compatible functionality
 #define ANKERL_UNORDERED_DENSE_VERSION_PATCH 0 // NOLINT(cppcoreguidelines-macro-usage) backwards compatible bug fixes
 
 // API versioning with inline namespace, see https://www.foonathan.net/2018/11/inline-namespaces/
diff --git a/meson.build b/meson.build
index 225a609..a6bdc47 100644
--- a/meson.build
+++ b/meson.build
@@ -18,7 +18,7 @@
 #
 
 project('unordered_dense', 'cpp',
-    version: '4.4.0',
+    version: '4.5.0',
     license: 'MIT',
     default_options : [
         'cpp_std=c++17', 
diff --git a/test/unit/namespace.cpp b/test/unit/namespace.cpp
index 3e3a814..e4e8f56 100644
--- a/test/unit/namespace.cpp
+++ b/test/unit/namespace.cpp
@@ -2,7 +2,7 @@
 
 #include <doctest.h>
 
-namespace versioned_namespace = ankerl::unordered_dense::v4_4_0;
+namespace versioned_namespace = ankerl::unordered_dense::v4_5_0;
 
 static_assert(std::is_same_v<versioned_namespace::map<int, int>, ankerl::unordered_dense::map<int, int>>);
 static_assert(std::is_same_v<versioned_namespace::hash<int>, ankerl::unordered_dense::hash<int>>);